Subtract 2/24 from 90/20
1st number: 4 10/20, 2nd number: 2/24
90/20 - 2/24 is 53/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
90/20 = 90 × 6/20 × 6 = 540/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
2/24 = 2 × 5/24 × 5 = 10/120 - Subtract the two like fractions:
540/120 - 10/120 = 540 - 10/120 = 530/120 - After reducing the fraction, the answer is 53/12
- In mixed form: 45/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20-4/24 90/40-2/24 90/20-2/48 90/20-6/24 90/60-2/24 90/20-2/72 90/20-10/24 90/20-14/24