Subtract 84/20 from 12/24
1st number: 12/24, 2nd number: 4 4/20
12/24 - 84/20 is -37/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
12/24 = 12 × 5/24 × 5 = 60/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
84/20 = 84 × 6/20 × 6 = 504/120 - Subtract the two like fractions:
60/120 - 504/120 = 60 - 504/120 = -444/120 - After reducing the fraction, the answer is -37/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/48-84/20 12/24-84/40 36/24-84/20 12/72-84/20 12/24-84/60 60/24-84/20 84/24-84/20