Subtract 49/90 from 50/7
1st number: 7 1/7, 2nd number: 49/90
50/7 - 49/90 is 4157/630.
Steps for subtracting 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,
49/90 = 49 × 7/90 × 7 = 343/630 - Subtract the two like fractions:
4500/630 - 343/630 = 4500 - 343/630 = 4157/630 - In mixed form: 6377/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-98/90 50/14-49/90 50/21-49/90 50/35-49/90 50/49-49/90