Subtract 3/63 from 72/14
1st number: 5 2/14, 2nd number: 3/63
72/14 - 3/63 is 107/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
72/14 = 72 × 9/14 × 9 = 648/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
3/63 = 3 × 2/63 × 2 = 6/126 - Subtract the two like fractions:
648/126 - 6/126 = 648 - 6/126 = 642/126 - After reducing the fraction, the answer is 107/21
- In mixed form: 52/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14-6/63 72/28-3/63 72/14-9/63 72/42-3/63 72/14-15/63 72/70-3/63 72/14-21/63 72/98-3/63