Subtract 75/24 from 42/18
1st number: 2 6/18, 2nd number: 3 3/24
42/18 - 75/24 is -19/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
42/18 = 42 × 4/18 × 4 = 168/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
75/24 = 75 × 3/24 × 3 = 225/72 - Subtract the two like fractions:
168/72 - 225/72 = 168 - 225/72 = -57/72 - After reducing the fraction, the answer is -19/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18-75/24 42/36-75/24 42/18-75/48 42/54-75/24 42/18-75/72 42/90-75/24