Subtract 27/36 from 12/25
12/25 - 27/36 is -27/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
12/25 = 12 × 36/25 × 36 = 432/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
27/36 = 27 × 25/36 × 25 = 675/900 - Subtract the two like fractions:
432/900 - 675/900 = 432 - 675/900 = -243/900 - After reducing the fraction, the answer is -27/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/25-27/36 12/25-54/36 12/50-27/36 12/25-27/72 36/25-27/36 12/25-81/36 12/75-27/36 60/25-27/36 84/25-27/36