Add 90/3 and 63/20
1st number: 30 0/3, 2nd number: 3 3/20
90/3 + 63/20 is 663/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
90/3 = 90 × 20/3 × 20 = 1800/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
63/20 = 63 × 3/20 × 3 = 189/60 - Add the two like fractions:
1800/60 + 189/60 = 1800 + 189/60 = 1989/60 - 1989/60 simplified gives 663/20
- So, 90/3 + 63/20 = 663/20
In mixed form: 333/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6+63/20 90/3+63/40 90/9+63/20 90/3+63/60 90/15+63/20 90/21+63/20