Add 45/3 and 63/90
1st number: 15 0/3, 2nd number: 63/90
45/3 + 63/90 is 157/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
45/3 = 45 × 30/3 × 30 = 1350/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
63/90 = 63 × 1/90 × 1 = 63/90 - Add the two like fractions:
1350/90 + 63/90 = 1350 + 63/90 = 1413/90 - 1413/90 simplified gives 157/10
- So, 45/3 + 63/90 = 157/10
In mixed form: 157/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+63/90 45/6+63/90 45/9+63/90 45/15+63/90 45/21+63/90