Subtract 18/56 from 20/5
1st number: 4 0/5, 2nd number: 18/56
20/5 - 18/56 is 103/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
20/5 = 20 × 56/5 × 56 = 1120/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Subtract the two like fractions:
1120/280 - 90/280 = 1120 - 90/280 = 1030/280 - After reducing the fraction, the answer is 103/28
- In mixed form: 319/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5-18/56 20/5-36/56 20/10-18/56 60/5-18/56 20/5-54/56 20/15-18/56 20/5-90/56 20/25-18/56 20/35-18/56