Question

find the sum of 1 /7 and 3 /9​

Answer 1

Answer:10/21

Step-by-step explanation:

1/7 + 3/9

Find LCM 9×7=63

1/7 × 9/9 = 9/63

3/9 × 7/7 =21/63

9/63 + 21/63 =30/63

30/63 smallest from = 10/21

Answer 2

Given,

1 /7 and 3 /9

To find,

The sum of 1 /7 and 3 /9.

Solution,

The sum of 1 /7 and 3 /9 will be 30/63 or 10/21.

We can easily solve this problem by following the given steps.

Now, we know that the denominators of the given two fractions are different. So, their addition can only be done by finding their L.C.M. (Lowest Common Multiple).

The L.C.M. of 7 and 9 will be 63.

We have,

1/7 + 3/9

Taking the L.C.M. and adding them,

9+21/63 (We first divide the L.C.M. by the denominator of the fraction and then multiply its answer by the numerator.)

30/63

This fraction can be converted into the simplest form by dividing the numerator and denominator by 3.

30÷3/63÷3

10/21

Hence, the sum of 1 /7 and 3 /9 will be 10/21.