Subtract 15/24 from 30/75
30/75 - 15/24 is -9/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 24 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
30/75 = 30 × 8/75 × 8 = 240/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
15/24 = 15 × 25/24 × 25 = 375/600 - Subtract the two like fractions:
240/600 - 375/600 = 240 - 375/600 = -135/600 - After reducing the fraction, the answer is -9/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75-15/24 30/75-30/24 30/75-15/48 90/75-15/24 30/75-45/24 30/75-15/72 30/75-75/24