Add 72/8 and 7/9
1st number: 9 0/8, 2nd number: 7/9
72/8 + 7/9 is 88/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
72/8 = 72 × 9/8 × 9 = 648/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
7/9 = 7 × 8/9 × 8 = 56/72 - Add the two like fractions:
648/72 + 56/72 = 648 + 56/72 = 704/72 - 704/72 simplified gives 88/9
- So, 72/8 + 7/9 = 88/9
In mixed form: 97/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8+14/9 72/16+7/9 72/8+7/18 72/8+21/9 72/24+7/9 72/8+7/27 72/8+35/9 72/40+7/9 72/8+7/45 72/8+49/9 72/56+7/9 72/8+7/63