Subtract 30/18 from 6/24
1st number: 6/24, 2nd number: 1 12/18
6/24 - 30/18 is -17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
6/24 = 6 × 3/24 × 3 = 18/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
30/18 = 30 × 4/18 × 4 = 120/72 - Subtract the two like fractions:
18/72 - 120/72 = 18 - 120/72 = -102/72 - After reducing the fraction, the answer is -17/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/24-30/18 6/24-60/18 6/48-30/18 6/24-30/36 18/24-30/18 6/24-90/18 6/72-30/18 6/24-30/54 30/24-30/18 6/24-30/90 42/24-30/18