Subtract 25/42 from 27/24
1st number: 1 3/24, 2nd number: 25/42
27/24 - 25/42 is 89/168.
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,
27/24 = 27 × 7/24 × 7 = 189/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
25/42 = 25 × 4/42 × 4 = 100/168 - Subtract the two like fractions:
189/168 - 100/168 = 189 - 100/168 = 89/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24-25/42 27/24-50/42 27/48-25/42 27/24-25/84 81/24-25/42 27/24-75/42 27/72-25/42