Add 90/56 and 20/36
1st number: 1 34/56, 2nd number: 20/36
90/56 + 20/36 is 545/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 36 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 36 × 14 = 504,
20/36 = 20 × 14/36 × 14 = 280/504 - Add the two like fractions:
810/504 + 280/504 = 810 + 280/504 = 1090/504 - 1090/504 simplified gives 545/252
- So, 90/56 + 20/36 = 545/252
In mixed form: 241/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+40/36 90/56+20/72 90/56+60/36