Subtract 24/90 from 7/3
1st number: 2 1/3, 2nd number: 24/90
7/3 - 24/90 is 31/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
7/3 = 7 × 30/3 × 30 = 210/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
24/90 = 24 × 1/90 × 1 = 24/90 - Subtract the two like fractions:
210/90 - 24/90 = 210 - 24/90 = 186/90 - After reducing the fraction, the answer is 31/15
- In mixed form: 21/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/3-24/90 7/3-48/90 7/6-24/90 21/3-24/90 7/3-72/90 7/9-24/90 35/3-24/90 7/15-24/90 49/3-24/90 7/21-24/90