Subtract 20/80 from 2/16
2/16 - 20/80 is -1/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
2/16 = 2 × 5/16 × 5 = 10/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Subtract the two like fractions:
10/80 - 20/80 = 10 - 20/80 = -10/80 - After reducing the fraction, the answer is -1/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/16-20/80 2/16-40/80 2/32-20/80 6/16-20/80 2/16-60/80 2/48-20/80 10/16-20/80 2/80-20/80 14/16-20/80