Subtract 15/80 from 80/15
1st number: 5 5/15, 2nd number: 15/80
80/15 - 15/80 is 247/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
80/15 = 80 × 16/15 × 16 = 1280/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Subtract the two like fractions:
1280/240 - 45/240 = 1280 - 45/240 = 1235/240 - After reducing the fraction, the answer is 247/48
- In mixed form: 57/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15-30/80 80/30-15/80 80/15-45/80 80/45-15/80 80/15-75/80 80/75-15/80