Add 63/30 and 21/20
1st number: 2 3/30, 2nd number: 1 1/20
63/30 + 21/20 is 63/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
63/30 = 63 × 2/30 × 2 = 126/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
21/20 = 21 × 3/20 × 3 = 63/60 - Add the two like fractions:
126/60 + 63/60 = 126 + 63/60 = 189/60 - 189/60 simplified gives 63/20
- So, 63/30 + 21/20 = 63/20
In mixed form: 33/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30+42/20 63/60+21/20 63/30+21/40 63/30+63/20 63/90+21/20 63/30+21/60