Add 72/7 and 80/36
1st number: 10 2/7, 2nd number: 2 8/36
72/7 + 80/36 is 788/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
72/7 = 72 × 36/7 × 36 = 2592/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
80/36 = 80 × 7/36 × 7 = 560/252 - Add the two like fractions:
2592/252 + 560/252 = 2592 + 560/252 = 3152/252 - 3152/252 simplified gives 788/63
- So, 72/7 + 80/36 = 788/63
In mixed form: 1232/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14+80/36 72/7+80/72 72/21+80/36 72/35+80/36 72/49+80/36