Subtract 63/24 from 18/28
1st number: 18/28, 2nd number: 2 15/24
18/28 - 63/24 is -111/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
18/28 = 18 × 6/28 × 6 = 108/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
63/24 = 63 × 7/24 × 7 = 441/168 - Subtract the two like fractions:
108/168 - 441/168 = 108 - 441/168 = -333/168 - After reducing the fraction, the answer is -111/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28-63/24 18/56-63/24 18/28-63/48 54/28-63/24 18/84-63/24 18/28-63/72 90/28-63/24