Subtract 49/9 from 50/7
1st number: 7 1/7, 2nd number: 5 4/9
50/7 - 49/9 is 107/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
50/7 = 50 × 9/7 × 9 = 450/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
49/9 = 49 × 7/9 × 7 = 343/63 - Subtract the two like fractions:
450/63 - 343/63 = 450 - 343/63 = 107/63 - In mixed form: 144/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-98/9 50/14-49/9 50/7-49/18 50/21-49/9 50/7-49/27 50/35-49/9 50/7-49/45 50/49-49/9 50/7-49/63