Subtract 9/70 from 1/56
1/56 - 9/70 is -31/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
1/56 = 1 × 5/56 × 5 = 5/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
9/70 = 9 × 4/70 × 4 = 36/280 - Subtract the two like fractions:
5/280 - 36/280 = 5 - 36/280 = -31/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/56-9/70 1/56-18/70 3/56-9/70 1/56-27/70 5/56-9/70 1/56-45/70 7/56-9/70 1/56-63/70