Subtract 81/5 from 16/2
1st number: 8 0/2, 2nd number: 16 1/5
16/2 - 81/5 is -41/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
16/2 = 16 × 5/2 × 5 = 80/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
81/5 = 81 × 2/5 × 2 = 162/10 - Subtract the two like fractions:
80/10 - 162/10 = 80 - 162/10 = -82/10 - After reducing the fraction, the answer is -41/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/2-81/5 16/4-81/5 16/2-81/10 48/2-81/5 16/6-81/5 16/2-81/15 80/2-81/5 16/10-81/5 16/2-81/25 16/14-81/5 16/2-81/35