Subtract 9/56 from 15/12
1st number: 1 3/12, 2nd number: 9/56
15/12 - 9/56 is 61/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
15/12 = 15 × 14/12 × 14 = 210/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
9/56 = 9 × 3/56 × 3 = 27/168 - Subtract the two like fractions:
210/168 - 27/168 = 210 - 27/168 = 183/168 - After reducing the fraction, the answer is 61/56
- In mixed form: 15/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12-9/56 15/12-18/56 15/24-9/56 45/12-9/56 15/12-27/56 15/36-9/56 75/12-9/56 15/12-45/56 15/60-9/56 15/12-63/56 15/84-9/56