Subtract 1/24 from 42/56
42/56 - 1/24 is 17/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
42/56 = 42 × 3/56 × 3 = 126/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
1/24 = 1 × 7/24 × 7 = 7/168 - Subtract the two like fractions:
126/168 - 7/168 = 126 - 7/168 = 119/168 - After reducing the fraction, the answer is 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56-1/24 42/56-2/24 42/56-1/48 42/56-3/24 42/56-1/72 42/56-5/24 42/56-7/24