Subtract 25/20 from 3/8
1st number: 3/8, 2nd number: 1 5/20
3/8 - 25/20 is -7/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
3/8 = 3 × 5/8 × 5 = 15/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
25/20 = 25 × 2/20 × 2 = 50/40 - Subtract the two like fractions:
15/40 - 50/40 = 15 - 50/40 = -35/40 - After reducing the fraction, the answer is -7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-25/20 3/8-50/20 3/16-25/20 3/8-25/40 9/8-25/20 3/8-75/20 3/24-25/20 3/8-25/60 15/8-25/20 3/40-25/20 21/8-25/20 3/56-25/20