Subtract 3/6 from 30/75
30/75 - 3/6 is -1/10.
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,
30/75 = 30 × 2/75 × 2 = 60/150 - Likewise, for the 2nd fraction, since 6 × 25 = 150,
3/6 = 3 × 25/6 × 25 = 75/150 - Subtract the two like fractions:
60/150 - 75/150 = 60 - 75/150 = -15/150 - After reducing the fraction, the answer is -1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75-3/6 30/75-3/12 90/75-3/6 30/75-9/6 30/75-3/18 30/75-15/6 30/75-3/30 30/75-21/6 30/75-3/42