Add 84/15 and 45/54
1st number: 5 9/15, 2nd number: 45/54
84/15 + 45/54 is 193/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
84/15 = 84 × 18/15 × 18 = 1512/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Add the two like fractions:
1512/270 + 225/270 = 1512 + 225/270 = 1737/270 - 1737/270 simplified gives 193/30
- So, 84/15 + 45/54 = 193/30
In mixed form: 613/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+90/54 84/30+45/54 84/45+45/54 84/75+45/54