Subtract 63/24 from 90/54
1st number: 1 36/54, 2nd number: 2 15/24
90/54 - 63/24 is -23/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
90/54 = 90 × 4/54 × 4 = 360/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
63/24 = 63 × 9/24 × 9 = 567/216 - Subtract the two like fractions:
360/216 - 567/216 = 360 - 567/216 = -207/216 - After reducing the fraction, the answer is -23/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54-63/48 90/54-63/72