Subtract 20/16 from 56/48
1st number: 1 8/48, 2nd number: 1 4/16
56/48 - 20/16 is -1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 48 × 1 = 48,
56/48 = 56 × 1/48 × 1 = 56/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
20/16 = 20 × 3/16 × 3 = 60/48 - Subtract the two like fractions:
56/48 - 60/48 = 56 - 60/48 = -4/48 - After reducing the fraction, the answer is -1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48-40/16 56/96-20/16 56/48-20/32 56/48-60/16 56/48-20/48 56/48-20/80