Subtract 75/48 from 21/12
1st number: 1 9/12, 2nd number: 1 27/48
21/12 - 75/48 is 3/16.
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,
21/12 = 21 × 4/12 × 4 = 84/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
75/48 = 75 × 1/48 × 1 = 75/48 - Subtract the two like fractions:
84/48 - 75/48 = 84 - 75/48 = 9/48 - After reducing the fraction, the answer is 3/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/12-75/48 21/24-75/48 21/12-75/96 63/12-75/48 21/36-75/48 21/60-75/48 21/84-75/48