Subtract 98/63 from 72/7
1st number: 10 2/7, 2nd number: 1 35/63
72/7 - 98/63 is 550/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 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 63 × 1 = 63,
98/63 = 98 × 1/63 × 1 = 98/63 - Subtract the two like fractions:
648/63 - 98/63 = 648 - 98/63 = 550/63 - In mixed form: 846/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14-98/63 72/21-98/63 72/35-98/63 72/49-98/63