Add 36/20 and 63/84
1st number: 1 16/20, 2nd number: 63/84
36/20 + 63/84 is 51/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
36/20 = 36 × 21/20 × 21 = 756/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
63/84 = 63 × 5/84 × 5 = 315/420 - Add the two like fractions:
756/420 + 315/420 = 756 + 315/420 = 1071/420 - 1071/420 simplified gives 51/20
- So, 36/20 + 63/84 = 51/20
In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+63/84 36/40+63/84 36/60+63/84