Subtract 27/24 from 5/42
1st number: 5/42, 2nd number: 1 3/24
5/42 - 27/24 is -169/168.
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,
5/42 = 5 × 4/42 × 4 = 20/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
27/24 = 27 × 7/24 × 7 = 189/168 - Subtract the two like fractions:
20/168 - 189/168 = 20 - 189/168 = -169/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42-27/24 5/42-54/24 5/84-27/24 5/42-27/48 15/42-27/24 5/42-81/24 5/42-27/72 25/42-27/24 35/42-27/24