Subtract 3/6 from 20/75
20/75 - 3/6 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 6 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
20/75 = 20 × 2/75 × 2 = 40/150 - Likewise, for the 2nd fraction, since 6 × 25 = 150,
3/6 = 3 × 25/6 × 25 = 75/150 - Subtract the two like fractions:
40/150 - 75/150 = 40 - 75/150 = -35/150 - After reducing the fraction, the answer is -7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75-3/6 20/75-3/12 60/75-3/6 20/75-9/6 20/75-3/18 20/75-15/6 20/75-3/30 20/75-21/6 20/75-3/42