Subtract 3/56 from 2/70
2/70 - 3/56 is -1/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
2/70 = 2 × 4/70 × 4 = 8/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
3/56 = 3 × 5/56 × 5 = 15/280 - Subtract the two like fractions:
8/280 - 15/280 = 8 - 15/280 = -7/280 - After reducing the fraction, the answer is -1/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70-3/56 2/70-6/56 6/70-3/56 2/70-9/56 10/70-3/56 2/70-15/56 14/70-3/56 2/70-21/56