Add 5/75 and 21/36
5/75 + 21/36 is 13/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
5/75 = 5 × 12/75 × 12 = 60/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
21/36 = 21 × 25/36 × 25 = 525/900 - Add the two like fractions:
60/900 + 525/900 = 60 + 525/900 = 585/900 - 585/900 simplified gives 13/20
- So, 5/75 + 21/36 = 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/75+21/36 5/75+42/36 5/75+21/72 15/75+21/36 5/75+63/36 25/75+21/36 35/75+21/36