Subtract 28/56 from 9/4
1st number: 2 1/4, 2nd number: 28/56
9/4 - 28/56 is 7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 4 × 14 = 56,
9/4 = 9 × 14/4 × 14 = 126/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
28/56 = 28 × 1/56 × 1 = 28/56 - Subtract the two like fractions:
126/56 - 28/56 = 126 - 28/56 = 98/56 - After reducing the fraction, the answer is 7/4
- In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/4-28/56 9/8-28/56 27/4-28/56 9/4-84/56 9/12-28/56 45/4-28/56 9/20-28/56 63/4-28/56 9/28-28/56