Subtract 28/64 from 10/30
10/30 - 28/64 is -5/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 30 × 32 = 960,
10/30 = 10 × 32/30 × 32 = 320/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
28/64 = 28 × 15/64 × 15 = 420/960 - Subtract the two like fractions:
320/960 - 420/960 = 320 - 420/960 = -100/960 - After reducing the fraction, the answer is -5/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30-28/64 10/30-56/64 10/60-28/64 10/30-84/64 10/90-28/64 50/30-28/64 70/30-28/64