Subtract 18/12 from 24/56
1st number: 24/56, 2nd number: 1 6/12
24/56 - 18/12 is -15/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 12 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
24/56 = 24 × 3/56 × 3 = 72/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
18/12 = 18 × 14/12 × 14 = 252/168 - Subtract the two like fractions:
72/168 - 252/168 = 72 - 252/168 = -180/168 - After reducing the fraction, the answer is -15/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/56-18/12 24/56-36/12 24/56-18/24 72/56-18/12 24/56-54/12 24/56-18/36 24/56-90/12 24/56-18/60 24/56-18/84