Subtract 8/42 from 56/24
1st number: 2 8/24, 2nd number: 8/42
56/24 - 8/42 is 15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
56/24 = 56 × 7/24 × 7 = 392/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
8/42 = 8 × 4/42 × 4 = 32/168 - Subtract the two like fractions:
392/168 - 32/168 = 392 - 32/168 = 360/168 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24-16/42 56/48-8/42 56/24-8/84 56/24-24/42 56/72-8/42 56/24-40/42 56/24-56/42