Subtract 90/24 from 80/10
1st number: 8 0/10, 2nd number: 3 18/24
80/10 - 90/24 is 17/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 10 × 12 = 120,
80/10 = 80 × 12/10 × 12 = 960/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
90/24 = 90 × 5/24 × 5 = 450/120 - Subtract the two like fractions:
960/120 - 450/120 = 960 - 450/120 = 510/120 - After reducing the fraction, the answer is 17/4
- In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-90/24 80/10-90/48 80/30-90/24 80/10-90/72 80/50-90/24 80/70-90/24