Subtract 36/24 from 12/20
1st number: 12/20, 2nd number: 1 12/24
12/20 - 36/24 is -9/10.
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,
12/20 = 12 × 6/20 × 6 = 72/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
36/24 = 36 × 5/24 × 5 = 180/120 - Subtract the two like fractions:
72/120 - 180/120 = 72 - 180/120 = -108/120 - After reducing the fraction, the answer is -9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20-36/24 12/20-72/24 12/40-36/24 12/20-36/48 36/20-36/24 12/60-36/24 12/20-36/72 60/20-36/24 84/20-36/24