Add 50/7 and 63/90
1st number: 7 1/7, 2nd number: 63/90
50/7 + 63/90 is 549/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
50/7 = 50 × 90/7 × 90 = 4500/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Add the two like fractions:
4500/630 + 441/630 = 4500 + 441/630 = 4941/630 - 4941/630 simplified gives 549/70
- So, 50/7 + 63/90 = 549/70
In mixed form: 759/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/14+63/90 50/21+63/90 50/35+63/90 50/49+63/90