Subtract 21/48 from 28/4
1st number: 7 0/4, 2nd number: 21/48
28/4 - 21/48 is 105/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 4 × 12 = 48,
28/4 = 28 × 12/4 × 12 = 336/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
21/48 = 21 × 1/48 × 1 = 21/48 - Subtract the two like fractions:
336/48 - 21/48 = 336 - 21/48 = 315/48 - After reducing the fraction, the answer is 105/16
- In mixed form: 69/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4-21/48 28/4-42/48 28/8-21/48 28/4-21/96 84/4-21/48 28/4-63/48 28/12-21/48 28/20-21/48