Add 72/70 and 7/10
1st number: 1 2/70, 2nd number: 7/10
72/70 + 7/10 is 121/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
72/70 = 72 × 1/70 × 1 = 72/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
7/10 = 7 × 7/10 × 7 = 49/70 - Add the two like fractions:
72/70 + 49/70 = 72 + 49/70 = 121/70 - So, 72/70 + 7/10 = 121/70
In mixed form: 151/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+14/10 72/70+7/20 72/70+21/10 72/70+7/30 72/70+35/10 72/70+7/50 72/70+49/10 72/70+7/70