Add 21/36 and 63/60
1st number: 21/36, 2nd number: 1 3/60
21/36 + 63/60 is 49/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
63/60 = 63 × 3/60 × 3 = 189/180 - Add the two like fractions:
105/180 + 189/180 = 105 + 189/180 = 294/180 - 294/180 simplified gives 49/30
- So, 21/36 + 63/60 = 49/30
In mixed form: 119/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/36+63/60 21/72+63/60 63/36+63/60