Subtract 27/3 from 60/42
1st number: 1 18/42, 2nd number: 9 0/3
60/42 - 27/3 is -53/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
60/42 = 60 × 1/42 × 1 = 60/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
27/3 = 27 × 14/3 × 14 = 378/42 - Subtract the two like fractions:
60/42 - 378/42 = 60 - 378/42 = -318/42 - After reducing the fraction, the answer is -53/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42-54/3 60/84-27/3 60/42-27/6 60/42-81/3 60/42-27/9 60/42-27/15 60/42-27/21