Add 90/56 and 36/72
1st number: 1 34/56, 2nd number: 36/72
90/56 + 36/72 is 59/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
90/56 = 90 × 9/56 × 9 = 810/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
36/72 = 36 × 7/72 × 7 = 252/504 - Add the two like fractions:
810/504 + 252/504 = 810 + 252/504 = 1062/504 - 1062/504 simplified gives 59/28
- So, 90/56 + 36/72 = 59/28
In mixed form: 23/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: