Add 72/9 and 2/7
1st number: 8 0/9, 2nd number: 2/7
72/9 + 2/7 is 58/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
72/9 = 72 × 7/9 × 7 = 504/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
2/7 = 2 × 9/7 × 9 = 18/63 - Add the two like fractions:
504/63 + 18/63 = 504 + 18/63 = 522/63 - 522/63 simplified gives 58/7
- So, 72/9 + 2/7 = 58/7
In mixed form: 82/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9+4/7 72/18+2/7 72/9+2/14 72/9+6/7 72/27+2/7 72/9+2/21 72/9+10/7 72/45+2/7 72/9+2/35 72/9+14/7 72/63+2/7 72/9+2/49