Subtract 18/8 from 8/25
1st number: 8/25, 2nd number: 2 2/8
8/25 - 18/8 is -193/100.
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,
8/25 = 8 × 8/25 × 8 = 64/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
18/8 = 18 × 25/8 × 25 = 450/200 - Subtract the two like fractions:
64/200 - 450/200 = 64 - 450/200 = -386/200 - After reducing the fraction, the answer is -193/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-18/8 8/25-36/8 8/50-18/8 8/25-18/16 24/25-18/8 8/25-54/8 8/75-18/8 8/25-18/24 40/25-18/8 8/25-90/8 8/25-18/40 56/25-18/8 8/25-18/56