Subtract 9/28 from 1/25
1/25 - 9/28 is -197/700.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 25 × 28 = 700,
1/25 = 1 × 28/25 × 28 = 28/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
9/28 = 9 × 25/28 × 25 = 225/700 - Subtract the two like fractions:
28/700 - 225/700 = 28 - 225/700 = -197/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/25-9/28 1/25-18/28 1/50-9/28 1/25-9/56 3/25-9/28 1/25-27/28 1/75-9/28 1/25-9/84 5/25-9/28 1/25-45/28 7/25-9/28 1/25-63/28