Subtract 18/60 from 3/56
3/56 - 18/60 is -69/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
3/56 = 3 × 15/56 × 15 = 45/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
18/60 = 18 × 14/60 × 14 = 252/840 - Subtract the two like fractions:
45/840 - 252/840 = 45 - 252/840 = -207/840 - After reducing the fraction, the answer is -69/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56-18/60 3/56-36/60 9/56-18/60 3/56-54/60 15/56-18/60 3/56-90/60 21/56-18/60