Subtract 25/30 from 50/75
50/75 - 25/30 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
50/75 = 50 × 2/75 × 2 = 100/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
25/30 = 25 × 5/30 × 5 = 125/150 - Subtract the two like fractions:
100/150 - 125/150 = 100 - 125/150 = -25/150 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/75-50/30 50/75-25/60 50/75-75/30 50/75-25/90