Add 81/6 and 27/90
1st number: 13 3/6, 2nd number: 27/90
81/6 + 27/90 is 69/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
81/6 = 81 × 15/6 × 15 = 1215/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
27/90 = 27 × 1/90 × 1 = 27/90 - Add the two like fractions:
1215/90 + 27/90 = 1215 + 27/90 = 1242/90 - 1242/90 simplified gives 69/5
- So, 81/6 + 27/90 = 69/5
In mixed form: 134/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/6+54/90 81/12+27/90 81/6+81/90 81/18+27/90 81/30+27/90 81/42+27/90