Subtract 84/72 from 28/3
1st number: 9 1/3, 2nd number: 1 12/72
28/3 - 84/72 is 49/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
28/3 = 28 × 24/3 × 24 = 672/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Subtract the two like fractions:
672/72 - 84/72 = 672 - 84/72 = 588/72 - After reducing the fraction, the answer is 49/6
- In mixed form: 81/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-84/72 28/6-84/72 84/3-84/72 28/9-84/72 28/15-84/72 28/21-84/72