Subtract 40/60 from 81/3
1st number: 27 0/3, 2nd number: 40/60
81/3 - 40/60 is 79/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
81/3 = 81 × 20/3 × 20 = 1620/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
40/60 = 40 × 1/60 × 1 = 40/60 - Subtract the two like fractions:
1620/60 - 40/60 = 1620 - 40/60 = 1580/60 - After reducing the fraction, the answer is 79/3
- In mixed form: 261/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3-80/60 81/6-40/60 81/9-40/60 81/15-40/60 81/21-40/60