Subtract 12/60 from 3/27
3/27 - 12/60 is -4/45.
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,
3/27 = 3 × 20/27 × 20 = 60/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
12/60 = 12 × 9/60 × 9 = 108/540 - Subtract the two like fractions:
60/540 - 108/540 = 60 - 108/540 = -48/540 - After reducing the fraction, the answer is -4/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/27-12/60 3/27-24/60 3/54-12/60 9/27-12/60 3/27-36/60 3/81-12/60 15/27-12/60 21/27-12/60 3/27-84/60