Subtract 3/63 from 15/7
1st number: 2 1/7, 2nd number: 3/63
15/7 - 3/63 is 44/21.
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,
15/7 = 15 × 9/7 × 9 = 135/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
3/63 = 3 × 1/63 × 1 = 3/63 - Subtract the two like fractions:
135/63 - 3/63 = 135 - 3/63 = 132/63 - After reducing the fraction, the answer is 44/21
- In mixed form: 22/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/7-3/63 15/7-6/63 15/14-3/63 45/7-3/63 15/7-9/63 15/21-3/63 75/7-3/63 15/7-15/63 15/35-3/63 15/7-21/63 15/49-3/63