Add 70/7 and 12/72, Solve 10 0/7 + 12/72 as a fraction

Add 70/7 and 12/72

1^st number: 10 0/7, 2^nd number: 12/72

70/7 + 12/72 is 61/6.

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,
70/7 = 70 × 72/7 × 72 = 5040/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
12/72 = 12 × 7/72 × 7 = 84/504
Add the two like fractions:
5040/504 + 84/504 = 5040 + 84/504 = 5124/504
5124/504 simplified gives 61/6
So, 70/7 + 12/72 = 61/6
In mixed form: 101/6

MathStep (Works offline)

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