Subtract 15/80 from 3/6
3/6 - 15/80 is 5/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
3/6 = 3 × 40/6 × 40 = 120/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Subtract the two like fractions:
120/240 - 45/240 = 120 - 45/240 = 75/240 - After reducing the fraction, the answer is 5/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 3/6-30/80 3/12-15/80 9/6-15/80 3/6-45/80 3/18-15/80 15/6-15/80 3/6-75/80 3/30-15/80 21/6-15/80 3/42-15/80