Subtract 18/56 from 20/6
1st number: 3 2/6, 2nd number: 18/56
20/6 - 18/56 is 253/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 6 × 28 = 168,
20/6 = 20 × 28/6 × 28 = 560/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
18/56 = 18 × 3/56 × 3 = 54/168 - Subtract the two like fractions:
560/168 - 54/168 = 560 - 54/168 = 506/168 - After reducing the fraction, the answer is 253/84
- In mixed form: 31/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6-18/56 20/6-36/56 20/12-18/56 60/6-18/56 20/6-54/56 20/18-18/56 20/6-90/56 20/30-18/56 20/42-18/56