Subtract 25/36 from 28/48
28/48 - 25/36 is -1/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 36 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
28/48 = 28 × 3/48 × 3 = 84/144 - Likewise, for the 2nd fraction, since 36 × 4 = 144,
25/36 = 25 × 4/36 × 4 = 100/144 - Subtract the two like fractions:
84/144 - 100/144 = 84 - 100/144 = -16/144 - After reducing the fraction, the answer is -1/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48-25/36 28/48-50/36 28/96-25/36 28/48-25/72 84/48-25/36 28/48-75/36