Subtract 42/24 from 35/54
1st number: 35/54, 2nd number: 1 18/24
35/54 - 42/24 is -119/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
35/54 = 35 × 4/54 × 4 = 140/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
42/24 = 42 × 9/24 × 9 = 378/216 - Subtract the two like fractions:
140/216 - 378/216 = 140 - 378/216 = -238/216 - After reducing the fraction, the answer is -119/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54-42/24 35/54-84/24 35/54-42/48 35/54-42/72