explain formula of multiplication in rational number
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Answer:
Similarly, we will follow the same rule for the product of rational numbers. Therefore, product of two rational numbers = product of their numerators/product of their denominators. Thus, if a/b and c/d are any two rational numbers, then. a/b × c/d = a × c/b × d.
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product of two given fractions = product of their numerators/product of their denominators .Similarly, we will follow the same rule for the product of rational numbers.
Examples
(1) .Multiply 2/7 by 3/5
Solution:2/7 × 3/5
= 2 × 3/7 × 5
= 6/352.
(2).Multiply 5/9 by (-3/4)
Solution:5/9 × (-3/4)
= 5 × -3/9 × 4
= -15/36
= -5/123.
(3). Multiply (-7/6) by 5
Solution:(-7/6) × 5
= (-7/6) × 5/1
= -7 × 5/6 × 1
= -35/6
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