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3.1.7. Translate into Russian:
• To convert an improper fraction into a mixed number, break it up into the
sum of an integer and a proper fraction
• To reduce a fraction to its lowest terms, divide the numerator and the
denominator by their highest common factor (or: measure, or: divisor)
• To find the sum (the difference) of two unlike fractions, change them to like
fractions (fractions having their least common denominator) and combine
the numerators
• To find quotient of two fractions, multiply the dividend by the inverted
divisor
• To find the product of two fractions, multiply the numerators together and
the denominators together
• To reduce a fraction to higher terms, multiply the numerator and the
denominator by the same number.
Unit 4.Decimal fractions
Look through the table and try to memorize it.
writing reading
.2 Point two
0.2 O point two, or; two tenths
0.02 O point o two, or; two hundredths
12.707 Twelve point seven o seven
0 O, or: zero, or: nought; or: cipher; or: nil
(null)
4.1 TEXT (Read the text and do the tasks that follow.)
FRACTIONS
There are three methods of dealing with fractions:
1. by expressing each fraction as the sum of fraction as the sum of fractions
with unit numerators, e.g.
3
1
2
1
6
5
+=
2. by diving the unit into sub-units which are given special names, e.g. the
foot is divided into twelve parts and each twelfth part called an inch;
3. by using fractions whose denominators are powers of the same number,
e.g.
100
5
10
7
4
3
+=
12
The Egyptians used the first method and developed a high degree of skill in it.
The second method was used by the Romans, who divided their pound, their foot and
one of their coins into twelfths; these fractions were called unciae, from which we get
3.1.7. Translate into Russian: • To convert an improper fraction into a mixed number, break it up into the sum of an integer and a proper fraction • To reduce a fraction to its lowest terms, divide the numerator and the denominator by their highest common factor (or: measure, or: divisor) • To find the sum (the difference) of two unlike fractions, change them to like fractions (fractions having their least common denominator) and combine the numerators • To find quotient of two fractions, multiply the dividend by the inverted divisor • To find the product of two fractions, multiply the numerators together and the denominators together • To reduce a fraction to higher terms, multiply the numerator and the denominator by the same number. Unit 4.Decimal fractions Look through the table and try to memorize it. writing reading .2 Point two 0.2 O point two, or; two tenths 0.02 O point o two, or; two hundredths 12.707 Twelve point seven o seven 0 O, or: zero, or: nought; or: cipher; or: nil (null) 4.1 TEXT (Read the text and do the tasks that follow.) FRACTIONS There are three methods of dealing with fractions: 1. by expressing each fraction as the sum of fraction as the sum of fractions with unit numerators, e.g. 5 1 1 = + 6 2 3 2. by diving the unit into sub-units which are given special names, e.g. the foot is divided into twelve parts and each twelfth part called an inch; 3. by using fractions whose denominators are powers of the same number, e.g. 3 7 5 = + 4 10 100 The Egyptians used the first method and developed a high degree of skill in it. The second method was used by the Romans, who divided their pound, their foot and one of their coins into twelfths; these fractions were called unciae, from which we get 12
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