Subtract 36/56 from 36/42
36/42 - 36/56 is 3/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
36/42 = 36 × 4/42 × 4 = 144/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
36/56 = 36 × 3/56 × 3 = 108/168 - Subtract the two like fractions:
144/168 - 108/168 = 144 - 108/168 = 36/168 - After reducing the fraction, the answer is 3/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42-36/56 36/42-72/56 36/84-36/56