Add 50/7 and 64/90
1st number: 7 1/7, 2nd number: 64/90
50/7 + 64/90 is 2474/315.
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,
64/90 = 64 × 7/90 × 7 = 448/630 - Add the two like fractions:
4500/630 + 448/630 = 4500 + 448/630 = 4948/630 - 4948/630 simplified gives 2474/315
- So, 50/7 + 64/90 = 2474/315
In mixed form: 7269/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/14+64/90 50/21+64/90 50/35+64/90 50/49+64/90