Subtract 14/42 from 14/56
14/56 - 14/42 is -1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
14/56 = 14 × 3/56 × 3 = 42/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
14/42 = 14 × 4/42 × 4 = 56/168 - Subtract the two like fractions:
42/168 - 56/168 = 42 - 56/168 = -14/168 - After reducing the fraction, the answer is -1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56-14/42 14/56-28/42 14/56-14/84 42/56-14/42 70/56-14/42 14/56-70/42 98/56-14/42 14/56-98/42