Add 14/7 and 84/72, Solve 2 0/7 + 1 12/72 as a fraction

Add 14/7 and 84/72

1^st number: 2 0/7, 2^nd number: 1 12/72

14/7 + 84/72 is 19/6.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 7 × 72 = 504,
14/7 = 14 × 72/7 × 72 = 1008/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
84/72 = 84 × 7/72 × 7 = 588/504
Add the two like fractions:
1008/504 + 588/504 = 1008 + 588/504 = 1596/504
1596/504 simplified gives 19/6
So, 14/7 + 84/72 = 19/6
In mixed form: 31/6

MathStep (Works offline)

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