Subtract 75/24 from 20/12
1st number: 1 8/12, 2nd number: 3 3/24
20/12 - 75/24 is -35/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
20/12 = 20 × 2/12 × 2 = 40/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
75/24 = 75 × 1/24 × 1 = 75/24 - Subtract the two like fractions:
40/24 - 75/24 = 40 - 75/24 = -35/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12-75/24 20/24-75/24 20/12-75/48 60/12-75/24 20/36-75/24 20/12-75/72 20/60-75/24 20/84-75/24