Subtract 45/72 from 10/48
10/48 - 45/72 is -5/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
10/48 = 10 × 3/48 × 3 = 30/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
45/72 = 45 × 2/72 × 2 = 90/144 - Subtract the two like fractions:
30/144 - 90/144 = 30 - 90/144 = -60/144 - After reducing the fraction, the answer is -5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/48-45/72 10/48-90/72 10/96-45/72 30/48-45/72 50/48-45/72 70/48-45/72