Subtract 3/63 from 28/15
1st number: 1 13/15, 2nd number: 3/63
28/15 - 3/63 is 191/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
28/15 = 28 × 21/15 × 21 = 588/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
3/63 = 3 × 5/63 × 5 = 15/315 - Subtract the two like fractions:
588/315 - 15/315 = 588 - 15/315 = 573/315 - After reducing the fraction, the answer is 191/105
- In mixed form: 186/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15-3/63 28/15-6/63 28/30-3/63 84/15-3/63 28/15-9/63 28/45-3/63 28/15-15/63 28/75-3/63 28/15-21/63