Subtract 18/16 from 8/25
1st number: 8/25, 2nd number: 1 2/16
8/25 - 18/16 is -161/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
8/25 = 8 × 16/25 × 16 = 128/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
18/16 = 18 × 25/16 × 25 = 450/400 - Subtract the two like fractions:
128/400 - 450/400 = 128 - 450/400 = -322/400 - After reducing the fraction, the answer is -161/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-18/16 8/25-36/16 8/50-18/16 8/25-18/32 24/25-18/16 8/25-54/16 8/75-18/16 8/25-18/48 40/25-18/16 8/25-90/16 8/25-18/80 56/25-18/16