Add 7/12 and 63/7, Solve 7/12 + 9 0/7 as a fraction

Add 7/12 and 63/7

1^st number: 7/12, 2^nd number: 9 0/7

7/12 + 63/7 is 115/12.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
7/12 = 7 × 7/12 × 7 = 49/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
63/7 = 63 × 12/7 × 12 = 756/84
Add the two like fractions:
49/84 + 756/84 = 49 + 756/84 = 805/84
805/84 simplified gives 115/12
So, 7/12 + 63/7 = 115/12
In mixed form: 97/12

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad