Add 90/56 and 50/72
1st number: 1 34/56, 2nd number: 50/72
90/56 + 50/72 is 145/63.
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,
50/72 = 50 × 7/72 × 7 = 350/504 - Add the two like fractions:
810/504 + 350/504 = 810 + 350/504 = 1160/504 - 1160/504 simplified gives 145/63
- So, 90/56 + 50/72 = 145/63
In mixed form: 219/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: