Subtract 18/56 from 20/3
1st number: 6 2/3, 2nd number: 18/56
20/3 - 18/56 is 533/84.
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,
20/3 = 20 × 56/3 × 56 = 1120/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
18/56 = 18 × 3/56 × 3 = 54/168 - Subtract the two like fractions:
1120/168 - 54/168 = 1120 - 54/168 = 1066/168 - After reducing the fraction, the answer is 533/84
- In mixed form: 629/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3-18/56 20/3-36/56 20/6-18/56 60/3-18/56 20/3-54/56 20/9-18/56 20/3-90/56 20/15-18/56 20/21-18/56