Subtract 20/25 from 1/8
1/8 - 20/25 is -27/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
1/8 = 1 × 25/8 × 25 = 25/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
20/25 = 20 × 8/25 × 8 = 160/200 - Subtract the two like fractions:
25/200 - 160/200 = 25 - 160/200 = -135/200 - After reducing the fraction, the answer is -27/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-20/25 1/8-40/25 1/16-20/25 1/8-20/50 3/8-20/25 1/8-60/25 1/24-20/25 1/8-20/75 5/8-20/25 1/40-20/25 7/8-20/25 1/56-20/25