Subtract 81/30 from 16/60
1st number: 16/60, 2nd number: 2 21/30
16/60 - 81/30 is -73/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
16/60 = 16 × 1/60 × 1 = 16/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Subtract the two like fractions:
16/60 - 162/60 = 16 - 162/60 = -146/60 - After reducing the fraction, the answer is -73/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/60-81/30 16/60-81/60 48/60-81/30 16/60-81/90 80/60-81/30