Subtract 25/63 from 30/15
1st number: 2 0/15, 2nd number: 25/63
30/15 - 25/63 is 101/63.
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,
30/15 = 30 × 21/15 × 21 = 630/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
25/63 = 25 × 5/63 × 5 = 125/315 - Subtract the two like fractions:
630/315 - 125/315 = 630 - 125/315 = 505/315 - After reducing the fraction, the answer is 101/63
- In mixed form: 138/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15-25/63 30/15-50/63 90/15-25/63 30/15-75/63 30/45-25/63 30/75-25/63