Add 72/9 and 27/54
1st number: 8 0/9, 2nd number: 27/54
72/9 + 27/54 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 9 × 6 = 54,
72/9 = 72 × 6/9 × 6 = 432/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
27/54 = 27 × 1/54 × 1 = 27/54 - Add the two like fractions:
432/54 + 27/54 = 432 + 27/54 = 459/54 - 459/54 simplified gives 17/2
- So, 72/9 + 27/54 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18+27/54 72/9+81/54 72/27+27/54 72/45+27/54 72/63+27/54