Subtract 42/60 from 1/27
1/27 - 42/60 is -179/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
1/27 = 1 × 20/27 × 20 = 20/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
42/60 = 42 × 9/60 × 9 = 378/540 - Subtract the two like fractions:
20/540 - 378/540 = 20 - 378/540 = -358/540 - After reducing the fraction, the answer is -179/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27-42/60 1/27-84/60 1/54-42/60 3/27-42/60 1/81-42/60 5/27-42/60 7/27-42/60