Subtract 18/12 from 63/15
1st number: 4 3/15, 2nd number: 1 6/12
63/15 - 18/12 is 27/10.
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,
18/12 = 18 × 5/12 × 5 = 90/60 - Subtract the two like fractions:
252/60 - 90/60 = 252 - 90/60 = 162/60 - After reducing the fraction, the answer is 27/10
- In mixed form: 27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15-36/12 63/30-18/12 63/15-18/24 63/15-54/12 63/45-18/12 63/15-18/36 63/15-90/12 63/75-18/12 63/15-18/60 63/15-18/84