Subtract 25/36 from 28/64
28/64 - 25/36 is -37/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 36 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 64 × 9 = 576,
28/64 = 28 × 9/64 × 9 = 252/576 - Likewise, for the 2nd fraction, since 36 × 16 = 576,
25/36 = 25 × 16/36 × 16 = 400/576 - Subtract the two like fractions:
252/576 - 400/576 = 252 - 400/576 = -148/576 - After reducing the fraction, the answer is -37/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/64-25/36 28/64-50/36 28/64-25/72 84/64-25/36 28/64-75/36