Add 70/9 and 72/8
1st number: 7 7/9, 2nd number: 9 0/8
70/9 + 72/8 is 151/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 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 8 × 9 = 72,
72/8 = 72 × 9/8 × 9 = 648/72 - Add the two like fractions:
560/72 + 648/72 = 560 + 648/72 = 1208/72 - 1208/72 simplified gives 151/9
- So, 70/9 + 72/8 = 151/9
In mixed form: 167/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+72/8 70/9+72/16 70/27+72/8 70/9+72/24 70/45+72/8 70/9+72/40 70/63+72/8 70/9+72/56