Subtract 4/48 from 20/12
1st number: 1 8/12, 2nd number: 4/48
20/12 - 4/48 is 19/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
20/12 = 20 × 4/12 × 4 = 80/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
4/48 = 4 × 1/48 × 1 = 4/48 - Subtract the two like fractions:
80/48 - 4/48 = 80 - 4/48 = 76/48 - After reducing the fraction, the answer is 19/12
- In mixed form: 17/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12-4/48 20/12-8/48 20/24-4/48 20/12-4/96 60/12-4/48 20/12-12/48 20/36-4/48 20/12-20/48 20/60-4/48 20/12-28/48 20/84-4/48