Subtract 50/9 from 72/7
1st number: 10 2/7, 2nd number: 5 5/9
72/7 - 50/9 is 298/63.
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,
72/7 = 72 × 9/7 × 9 = 648/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
50/9 = 50 × 7/9 × 7 = 350/63 - Subtract the two like fractions:
648/63 - 350/63 = 648 - 350/63 = 298/63 - In mixed form: 446/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14-50/9 72/7-50/18 72/21-50/9 72/7-50/27 72/35-50/9 72/7-50/45 72/49-50/9 72/7-50/63