Subtract 18/24 from 56/42
1st number: 1 14/42, 2nd number: 18/24
56/42 - 18/24 is 7/12.
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,
18/24 = 18 × 7/24 × 7 = 126/168 - Subtract the two like fractions:
224/168 - 126/168 = 224 - 126/168 = 98/168 - After reducing the fraction, the answer is 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42-36/24 56/84-18/24 56/42-18/48 56/42-54/24 56/42-18/72 56/42-90/24