Subtract 7/20 from 24/12
1st number: 2 0/12, 2nd number: 7/20
24/12 - 7/20 is 33/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
24/12 = 24 × 5/12 × 5 = 120/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
7/20 = 7 × 3/20 × 3 = 21/60 - Subtract the two like fractions:
120/60 - 21/60 = 120 - 21/60 = 99/60 - After reducing the fraction, the answer is 33/20
- In mixed form: 113/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/12-7/20 24/12-14/20 24/12-7/40 72/12-7/20 24/12-21/20 24/36-7/20 24/12-7/60 24/12-35/20 24/60-7/20 24/12-49/20 24/84-7/20