Subtract 27/18 from 12/50
1st number: 12/50, 2nd number: 1 9/18
12/50 - 27/18 is -63/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
12/50 = 12 × 9/50 × 9 = 108/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
27/18 = 27 × 25/18 × 25 = 675/450 - Subtract the two like fractions:
108/450 - 675/450 = 108 - 675/450 = -567/450 - After reducing the fraction, the answer is -63/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/50-27/18 12/50-54/18 12/50-27/36 36/50-27/18 12/50-81/18 12/50-27/54 60/50-27/18 12/50-27/90 84/50-27/18