Subtract 16/20 from 2/80
2/80 - 16/20 is -31/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
2/80 = 2 × 1/80 × 1 = 2/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
16/20 = 16 × 4/20 × 4 = 64/80 - Subtract the two like fractions:
2/80 - 64/80 = 2 - 64/80 = -62/80 - After reducing the fraction, the answer is -31/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/80-16/20 2/80-32/20 2/80-16/40 6/80-16/20 2/80-48/20 2/80-16/60 10/80-16/20 2/80-80/20 14/80-16/20