Subtract 72/56 from 2/3
1st number: 2/3, 2nd number: 1 16/56
2/3 - 72/56 is -13/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
2/3 = 2 × 56/3 × 56 = 112/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
72/56 = 72 × 3/56 × 3 = 216/168 - Subtract the two like fractions:
112/168 - 216/168 = 112 - 216/168 = -104/168 - After reducing the fraction, the answer is -13/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3-72/56 2/6-72/56 6/3-72/56 2/9-72/56 10/3-72/56 2/15-72/56 14/3-72/56 2/21-72/56