Subtract 30/12 from 63/15
1st number: 4 3/15, 2nd number: 2 6/12
63/15 - 30/12 is 17/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
63/15 = 63 × 4/15 × 4 = 252/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60 - Subtract the two like fractions:
252/60 - 150/60 = 252 - 150/60 = 102/60 - After reducing the fraction, the answer is 17/10
- In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15-60/12 63/30-30/12 63/15-30/24 63/15-90/12 63/45-30/12 63/15-30/36 63/75-30/12 63/15-30/60 63/15-30/84