Subtract 3/5 from 10/80
10/80 - 3/5 is -19/40.
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,
10/80 = 10 × 1/80 × 1 = 10/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
3/5 = 3 × 16/5 × 16 = 48/80 - Subtract the two like fractions:
10/80 - 48/80 = 10 - 48/80 = -38/80 - After reducing the fraction, the answer is -19/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80-3/5 10/80-6/5 10/80-3/10 30/80-3/5 10/80-9/5 10/80-3/15 50/80-3/5 10/80-15/5 10/80-3/25 70/80-3/5 10/80-21/5 10/80-3/35