Question

explain formula of multiplication in rational number​

Answer 1

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.

Answer 2

Answer:

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