Subtract 28/7 from 25/75
1st number: 25/75, 2nd number: 4 0/7
25/75 - 28/7 is -11/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
25/75 = 25 × 7/75 × 7 = 175/525 - Likewise, for the 2nd fraction, since 7 × 75 = 525,
28/7 = 28 × 75/7 × 75 = 2100/525 - Subtract the two like fractions:
175/525 - 2100/525 = 175 - 2100/525 = -1925/525 - After reducing the fraction, the answer is -11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/75-28/7 25/75-56/7 25/75-28/14 25/75-84/7 25/75-28/21 25/75-28/35 25/75-28/49