Subtract 15/4 from 18/56
1st number: 18/56, 2nd number: 3 3/4
18/56 - 15/4 is -24/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 4 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
18/56 = 18 × 1/56 × 1 = 18/56 - Likewise, for the 2nd fraction, since 4 × 14 = 56,
15/4 = 15 × 14/4 × 14 = 210/56 - Subtract the two like fractions:
18/56 - 210/56 = 18 - 210/56 = -192/56 - After reducing the fraction, the answer is -24/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/56-15/4 18/56-30/4 18/56-15/8 54/56-15/4 18/56-45/4 18/56-15/12 90/56-15/4 18/56-75/4 18/56-15/20 18/56-15/28