Subtract 27/75 from 12/30
12/30 - 27/75 is 1/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
12/30 = 12 × 5/30 × 5 = 60/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
27/75 = 27 × 2/75 × 2 = 54/150 - Subtract the two like fractions:
60/150 - 54/150 = 60 - 54/150 = 6/150 - After reducing the fraction, the answer is 1/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30-27/75 12/30-54/75 12/60-27/75 36/30-27/75 12/30-81/75 12/90-27/75 60/30-27/75 84/30-27/75