Add 7/36 and 20/56
7/36 + 20/56 is 139/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 36 × 14 = 504,
7/36 = 7 × 14/36 × 14 = 98/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Add the two like fractions:
98/504 + 180/504 = 98 + 180/504 = 278/504 - 278/504 simplified gives 139/252
- So, 7/36 + 20/56 = 139/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/36+20/56 7/36+40/56 7/72+20/56 21/36+20/56 7/36+60/56 35/36+20/56 49/36+20/56