Subtract 6/8 from 18/25
18/25 - 6/8 is -3/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
18/25 = 18 × 8/25 × 8 = 144/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
6/8 = 6 × 25/8 × 25 = 150/200 - Subtract the two like fractions:
144/200 - 150/200 = 144 - 150/200 = -6/200 - After reducing the fraction, the answer is -3/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/25-6/8 18/25-12/8 18/50-6/8 18/25-6/16 54/25-6/8 18/25-18/8 18/75-6/8 18/25-6/24 90/25-6/8 18/25-30/8 18/25-6/40 18/25-42/8 18/25-6/56