Subtract 24/12 from 5/20
1st number: 5/20, 2nd number: 2 0/12
5/20 - 24/12 is -7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
5/20 = 5 × 3/20 × 3 = 15/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
24/12 = 24 × 5/12 × 5 = 120/60 - Subtract the two like fractions:
15/60 - 120/60 = 15 - 120/60 = -105/60 - After reducing the fraction, the answer is -7/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-24/12 5/20-48/12 5/40-24/12 15/20-24/12 5/20-72/12 5/60-24/12 5/20-24/36 25/20-24/12 5/20-24/60 35/20-24/12 5/20-24/84