Add 10/12 and 10/7, Solve 10/12 + 1 3/7 as a fraction

Add 10/12 and 10/7

1^st number: 10/12, 2^nd number: 1 3/7

10/12 + 10/7 is 95/42.

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,
10/12 = 10 × 7/12 × 7 = 70/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
10/7 = 10 × 12/7 × 12 = 120/84
Add the two like fractions:
70/84 + 120/84 = 70 + 120/84 = 190/84
190/84 simplified gives 95/42
So, 10/12 + 10/7 = 95/42
In mixed form: 211/42

MathStep (Works offline)

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