Subtract 36/56 from 3/70
3/70 - 36/56 is -3/5.
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,
3/70 = 3 × 4/70 × 4 = 12/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
36/56 = 36 × 5/56 × 5 = 180/280 - Subtract the two like fractions:
12/280 - 180/280 = 12 - 180/280 = -168/280 - After reducing the fraction, the answer is -3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70-36/56 3/70-72/56 9/70-36/56 15/70-36/56 21/70-36/56