Subtract 84/45 from 72/3
1st number: 24 0/3, 2nd number: 1 39/45
72/3 - 84/45 is 332/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
72/3 = 72 × 15/3 × 15 = 1080/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
84/45 = 84 × 1/45 × 1 = 84/45 - Subtract the two like fractions:
1080/45 - 84/45 = 1080 - 84/45 = 996/45 - After reducing the fraction, the answer is 332/15
- In mixed form: 222/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6-84/45 72/3-84/90 72/9-84/45 72/15-84/45 72/21-84/45