Subtract 27/75 from 28/30
28/30 - 27/75 is 43/75.
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,
28/30 = 28 × 5/30 × 5 = 140/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
27/75 = 27 × 2/75 × 2 = 54/150 - Subtract the two like fractions:
140/150 - 54/150 = 140 - 54/150 = 86/150 - After reducing the fraction, the answer is 43/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30-27/75 28/30-54/75 28/60-27/75 84/30-27/75 28/30-81/75 28/90-27/75