Subtract 28/7 from 25/4
1st number: 6 1/4, 2nd number: 4 0/7
25/4 - 28/7 is 9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
25/4 = 25 × 7/4 × 7 = 175/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
28/7 = 28 × 4/7 × 4 = 112/28 - Subtract the two like fractions:
175/28 - 112/28 = 175 - 112/28 = 63/28 - After reducing the fraction, the answer is 9/4
- In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4-28/7 25/4-56/7 25/8-28/7 25/4-28/14 75/4-28/7 25/4-84/7 25/12-28/7 25/4-28/21 25/20-28/7 25/4-28/35 25/28-28/7 25/4-28/49