Subtract 75/6 from 30/72
1st number: 30/72, 2nd number: 12 3/6
30/72 - 75/6 is -145/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
75/6 = 75 × 12/6 × 12 = 900/72 - Subtract the two like fractions:
30/72 - 900/72 = 30 - 900/72 = -870/72 - After reducing the fraction, the answer is -145/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/72-75/6 30/72-75/12 90/72-75/6 30/72-75/18 30/72-75/30 30/72-75/42