Add 7/72 and 70/9
1st number: 7/72, 2nd number: 7 7/9
7/72 + 70/9 is 63/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
70/9 = 70 × 8/9 × 8 = 560/72 - Add the two like fractions:
7/72 + 560/72 = 7 + 560/72 = 567/72 - 567/72 simplified gives 63/8
- So, 7/72 + 70/9 = 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: 14/72+70/9 7/72+70/18 21/72+70/9 7/72+70/27 35/72+70/9 7/72+70/45 49/72+70/9 7/72+70/63