Subtract 27/18 from 60/30
1st number: 2 0/30, 2nd number: 1 9/18
60/30 - 27/18 is 1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
60/30 = 60 × 3/30 × 3 = 180/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
27/18 = 27 × 5/18 × 5 = 135/90 - Subtract the two like fractions:
180/90 - 135/90 = 180 - 135/90 = 45/90 - After reducing the fraction, the answer is 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/30-54/18 60/30-27/36 60/30-81/18 60/90-27/18 60/30-27/54 60/30-27/90