Subtract 90/60 from 9/24
1st number: 9/24, 2nd number: 1 30/60
9/24 - 90/60 is -9/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
9/24 = 9 × 5/24 × 5 = 45/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
90/60 = 90 × 2/60 × 2 = 180/120 - Subtract the two like fractions:
45/120 - 180/120 = 45 - 180/120 = -135/120 - After reducing the fraction, the answer is -9/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/24-90/60 9/48-90/60 27/24-90/60 9/72-90/60 45/24-90/60 63/24-90/60