Subtract 16/60 from 81/2
1st number: 40 1/2, 2nd number: 16/60
81/2 - 16/60 is 1207/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 2 × 30 = 60,
81/2 = 81 × 30/2 × 30 = 2430/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
16/60 = 16 × 1/60 × 1 = 16/60 - Subtract the two like fractions:
2430/60 - 16/60 = 2430 - 16/60 = 2414/60 - After reducing the fraction, the answer is 1207/30
- In mixed form: 407/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/2-32/60 81/4-16/60 81/2-48/60 81/6-16/60 81/2-80/60 81/10-16/60 81/14-16/60