Add 70/9 and 7/72
1st number: 7 7/9, 2nd number: 7/72
70/9 + 7/72 is 63/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
70/9 = 70 × 8/9 × 8 = 560/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Add the two like fractions:
560/72 + 7/72 = 560 + 7/72 = 567/72 - 567/72 simplified gives 63/8
- So, 70/9 + 7/72 = 63/8
In mixed form: 77/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+14/72 70/18+7/72 70/9+21/72 70/27+7/72 70/9+35/72 70/45+7/72 70/9+49/72 70/63+7/72