Subtract 84/30 from 72/6
1st number: 12 0/6, 2nd number: 2 24/30
72/6 - 84/30 is 46/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
72/6 = 72 × 5/6 × 5 = 360/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
84/30 = 84 × 1/30 × 1 = 84/30 - Subtract the two like fractions:
360/30 - 84/30 = 360 - 84/30 = 276/30 - After reducing the fraction, the answer is 46/5
- In mixed form: 91/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-84/30 72/6-84/60 72/18-84/30 72/6-84/90 72/30-84/30 72/42-84/30