Subtract 45/72 from 84/3
1st number: 28 0/3, 2nd number: 45/72
84/3 - 45/72 is 219/8.
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,
84/3 = 84 × 24/3 × 24 = 2016/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Subtract the two like fractions:
2016/72 - 45/72 = 2016 - 45/72 = 1971/72 - After reducing the fraction, the answer is 219/8
- In mixed form: 273/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3-90/72 84/6-45/72 84/9-45/72 84/15-45/72 84/21-45/72