Subtract 15/80 from 3/8
3/8 - 15/80 is 3/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
3/8 = 3 × 10/8 × 10 = 30/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80 - Subtract the two like fractions:
30/80 - 15/80 = 30 - 15/80 = 15/80 - After reducing the fraction, the answer is 3/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-15/80 3/8-30/80 3/16-15/80 9/8-15/80 3/8-45/80 3/24-15/80 15/8-15/80 3/8-75/80 3/40-15/80 21/8-15/80 3/56-15/80