Add 63/50 and 21/90
1st number: 1 13/50, 2nd number: 21/90
63/50 + 21/90 is 112/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
63/50 = 63 × 9/50 × 9 = 567/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
21/90 = 21 × 5/90 × 5 = 105/450 - Add the two like fractions:
567/450 + 105/450 = 567 + 105/450 = 672/450 - 672/450 simplified gives 112/75
- So, 63/50 + 21/90 = 112/75
In mixed form: 137/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/50+42/90 63/50+63/90