Subtract 12/56 from 18/24
18/24 - 12/56 is 15/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
18/24 = 18 × 7/24 × 7 = 126/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
12/56 = 12 × 3/56 × 3 = 36/168 - Subtract the two like fractions:
126/168 - 36/168 = 126 - 36/168 = 90/168 - After reducing the fraction, the answer is 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/24-12/56 18/24-24/56 18/48-12/56 54/24-12/56 18/24-36/56 18/72-12/56 90/24-12/56 18/24-60/56 18/24-84/56