Subtract 8/25 from 7/28
7/28 - 8/25 is -7/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
7/28 = 7 × 25/28 × 25 = 175/700 - Likewise, for the 2nd fraction, since 25 × 28 = 700,
8/25 = 8 × 28/25 × 28 = 224/700 - Subtract the two like fractions:
175/700 - 224/700 = 175 - 224/700 = -49/700 - After reducing the fraction, the answer is -7/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-8/25 7/28-16/25 7/56-8/25 7/28-8/50 21/28-8/25 7/28-24/25 7/84-8/25 7/28-8/75 35/28-8/25 7/28-40/25 49/28-8/25 7/28-56/25