Add 72/9 and 36/7
1st number: 8 0/9, 2nd number: 5 1/7
72/9 + 36/7 is 92/7.
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,
36/7 = 36 × 9/7 × 9 = 324/63 - Add the two like fractions:
504/63 + 324/63 = 504 + 324/63 = 828/63 - 828/63 simplified gives 92/7
- So, 72/9 + 36/7 = 92/7
In mixed form: 131/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9+72/7 72/18+36/7 72/9+36/14 72/27+36/7 72/9+36/21 72/45+36/7 72/9+36/35 72/63+36/7 72/9+36/49