Subtract 24/18 from 42/25
1st number: 1 17/25, 2nd number: 1 6/18
42/25 - 24/18 is 26/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
42/25 = 42 × 18/25 × 18 = 756/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
24/18 = 24 × 25/18 × 25 = 600/450 - Subtract the two like fractions:
756/450 - 600/450 = 756 - 600/450 = 156/450 - After reducing the fraction, the answer is 26/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25-24/18 42/25-48/18 42/50-24/18 42/25-24/36 42/25-72/18 42/75-24/18 42/25-24/54 42/25-24/90