Subtract 75/24 from 42/20
1st number: 2 2/20, 2nd number: 3 3/24
42/20 - 75/24 is -41/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
42/20 = 42 × 6/20 × 6 = 252/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
75/24 = 75 × 5/24 × 5 = 375/120 - Subtract the two like fractions:
252/120 - 375/120 = 252 - 375/120 = -123/120 - After reducing the fraction, the answer is -41/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20-75/24 42/40-75/24 42/20-75/48 42/60-75/24 42/20-75/72