Question

What is 1/7 plus 3/21 equal

Answer 1

`(2)/(7)`

Explanation:

Cancel out the second fraction because 7 is a multiple of 21.

1/7 + 1/7

Write the duplicate numerstors above the denominator

1+1/7

Add

1+1/7 = 2/7

Answer 2

Answer: 1/7 + 3/21 = 6/21

Explanation:

1. Convert 1/7 to have a denominator of 21. 7 * 3 = 21

2. Multiply the numerator with the same number. 1 * 3 = 3

3. Add the new fraction straight across the top, leaving the bottom the same.

1/7 + 3/21 = 6/21