Subtract 8/24 from 90/7
1st number: 12 6/7, 2nd number: 8/24
90/7 - 8/24 is 263/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
90/7 = 90 × 24/7 × 24 = 2160/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
8/24 = 8 × 7/24 × 7 = 56/168 - Subtract the two like fractions:
2160/168 - 56/168 = 2160 - 56/168 = 2104/168 - After reducing the fraction, the answer is 263/21
- In mixed form: 1211/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7-16/24 90/14-8/24 90/7-8/48 90/21-8/24 90/7-8/72 90/7-40/24 90/35-8/24 90/7-56/24 90/49-8/24