Subtract 90/48 from 3/36
1st number: 3/36, 2nd number: 1 42/48
3/36 - 90/48 is -43/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 36 × 4 = 144,
3/36 = 3 × 4/36 × 4 = 12/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
90/48 = 90 × 3/48 × 3 = 270/144 - Subtract the two like fractions:
12/144 - 270/144 = 12 - 270/144 = -258/144 - After reducing the fraction, the answer is -43/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/36-90/48 3/72-90/48 3/36-90/96 9/36-90/48 15/36-90/48 21/36-90/48