Subtract 30/72 from 84/6
1st number: 14 0/6, 2nd number: 30/72
84/6 - 30/72 is 163/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
84/6 = 84 × 12/6 × 12 = 1008/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Subtract the two like fractions:
1008/72 - 30/72 = 1008 - 30/72 = 978/72 - After reducing the fraction, the answer is 163/12
- In mixed form: 137/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6-60/72 84/12-30/72 84/6-90/72 84/18-30/72 84/30-30/72 84/42-30/72