Subtract 27/3 from 30/60
1st number: 30/60, 2nd number: 9 0/3
30/60 - 27/3 is -17/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
30/60 = 30 × 1/60 × 1 = 30/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
27/3 = 27 × 20/3 × 20 = 540/60 - Subtract the two like fractions:
30/60 - 540/60 = 30 - 540/60 = -510/60 - After reducing the fraction, the answer is -17/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60-54/3 30/60-27/6 90/60-27/3 30/60-81/3 30/60-27/9 30/60-27/15 30/60-27/21