Subtract 75/72 from 49/48
1st number: 1 1/48, 2nd number: 1 3/72
49/48 - 75/72 is -1/48.
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,
49/48 = 49 × 3/48 × 3 = 147/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
75/72 = 75 × 2/72 × 2 = 150/144 - Subtract the two like fractions:
147/144 - 150/144 = 147 - 150/144 = -3/144 - After reducing the fraction, the answer is -1/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/48-75/72 49/96-75/72