Subtract 18/56 from 18/3
1st number: 6 0/3, 2nd number: 18/56
18/3 - 18/56 is 159/28.
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,
18/3 = 18 × 56/3 × 56 = 1008/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
18/56 = 18 × 3/56 × 3 = 54/168 - Subtract the two like fractions:
1008/168 - 54/168 = 1008 - 54/168 = 954/168 - After reducing the fraction, the answer is 159/28
- In mixed form: 519/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-18/56 18/3-36/56 18/6-18/56 54/3-18/56 18/3-54/56 18/9-18/56 90/3-18/56 18/3-90/56 18/15-18/56 18/21-18/56