Subtract 7/24 from 90/63
1st number: 1 27/63, 2nd number: 7/24
90/63 - 7/24 is 191/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 24 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
90/63 = 90 × 8/63 × 8 = 720/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
7/24 = 7 × 21/24 × 21 = 147/504 - Subtract the two like fractions:
720/504 - 147/504 = 720 - 147/504 = 573/504 - After reducing the fraction, the answer is 191/168
- In mixed form: 123/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63-14/24 90/63-7/48 90/63-21/24 90/63-7/72 90/63-35/24 90/63-49/24