Subtract 96/24 from 18/42
1st number: 18/42, 2nd number: 4 0/24
18/42 - 96/24 is -25/7.
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,
18/42 = 18 × 4/42 × 4 = 72/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
96/24 = 96 × 7/24 × 7 = 672/168 - Subtract the two like fractions:
72/168 - 672/168 = 72 - 672/168 = -600/168 - After reducing the fraction, the answer is -25/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/42-96/24 18/84-96/24 18/42-96/48 54/42-96/24 18/42-96/72 90/42-96/24