Question

2/3, 5/7 find sum and product

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Given : Two fractions $\frac23$  and  $\frac57$ .

To find : The sum and product of fractions.

• Calculation for sum of fraction

We have $\frac23$  and  $\frac57$ and we have to find the

⇒  $\frac23+\frac57$

For the calculation of sum of fraction we have to find the L.C.M first.

L.C.M of 3 and 7 is 21.

⇒  $\frac{7*2+3*5}{21}$

⇒  $\frac{14+15}{21}$

⇒  $\frac{29}{21}$

So we get the sum of fraction is $\frac{29}{21}$.

• Calculation for product of fraction

We have to find

⇒  $\frac23*\frac57$

For product of fraction we simply do multiplication of numerators and denominators,

⇒  $\frac{2*5}{3*7}$

⇒  $\frac{10}{21}$

So the product of fraction is $\frac{10}{21}$ .

Hence the sum and product of fractions are $\frac{29}{21}$ and $\frac{10}{21}$  respectively.