Subtract 3/56 from 9/15
9/15 - 3/56 is 153/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
9/15 = 9 × 56/15 × 56 = 504/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
3/56 = 3 × 15/56 × 15 = 45/840 - Subtract the two like fractions:
504/840 - 45/840 = 504 - 45/840 = 459/840 - After reducing the fraction, the answer is 153/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15-3/56 9/15-6/56 9/30-3/56 27/15-3/56 9/15-9/56 9/45-3/56 45/15-3/56 9/15-15/56 9/75-3/56 63/15-3/56 9/15-21/56