Subtract 3/80 from 15/75
15/75 - 3/80 is 13/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
15/75 = 15 × 16/75 × 16 = 240/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
3/80 = 3 × 15/80 × 15 = 45/1200 - Subtract the two like fractions:
240/1200 - 45/1200 = 240 - 45/1200 = 195/1200 - After reducing the fraction, the answer is 13/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75-3/80 15/75-6/80 45/75-3/80 15/75-9/80 15/75-15/80 15/75-21/80