Subtract 3/5 from 7/80
7/80 - 3/5 is -41/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
3/5 = 3 × 16/5 × 16 = 48/80 - Subtract the two like fractions:
7/80 - 48/80 = 7 - 48/80 = -41/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/80-3/5 7/80-6/5 7/80-3/10 21/80-3/5 7/80-9/5 7/80-3/15 35/80-3/5 7/80-15/5 7/80-3/25 49/80-3/5 7/80-21/5 7/80-3/35