Subtract 4/40 from 35/56
35/56 - 4/40 is 21/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
35/56 = 35 × 5/56 × 5 = 175/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
4/40 = 4 × 7/40 × 7 = 28/280 - Subtract the two like fractions:
175/280 - 28/280 = 175 - 28/280 = 147/280 - After reducing the fraction, the answer is 21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56-4/40 35/56-8/40 35/56-4/80 35/56-12/40 35/56-20/40 35/56-28/40