Subtract 20/50 from 1/75
1/75 - 20/50 is -29/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
1/75 = 1 × 2/75 × 2 = 2/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
20/50 = 20 × 3/50 × 3 = 60/150 - Subtract the two like fractions:
2/150 - 60/150 = 2 - 60/150 = -58/150 - After reducing the fraction, the answer is -29/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/75-20/50 1/75-40/50 3/75-20/50 1/75-60/50 5/75-20/50 7/75-20/50