Subtract 54/24 from 56/42
1st number: 1 14/42, 2nd number: 2 6/24
56/42 - 54/24 is -11/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
56/42 = 56 × 4/42 × 4 = 224/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
54/24 = 54 × 7/24 × 7 = 378/168 - Subtract the two like fractions:
224/168 - 378/168 = 224 - 378/168 = -154/168 - After reducing the fraction, the answer is -11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84-54/24 56/42-54/48 56/42-54/72