Subtract 81/5 from 10/12
1st number: 10/12, 2nd number: 16 1/5
10/12 - 81/5 is -461/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
10/12 = 10 × 5/12 × 5 = 50/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
81/5 = 81 × 12/5 × 12 = 972/60 - Subtract the two like fractions:
50/60 - 972/60 = 50 - 972/60 = -922/60 - After reducing the fraction, the answer is -461/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12-81/5 10/24-81/5 10/12-81/10 30/12-81/5 10/36-81/5 10/12-81/15 50/12-81/5 10/60-81/5 10/12-81/25 70/12-81/5 10/84-81/5 10/12-81/35