Add 27/15 and 90/5
1st number: 1 12/15, 2nd number: 18 0/5
27/15 + 90/5 is 99/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
27/15 = 27 × 1/15 × 1 = 27/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
90/5 = 90 × 3/5 × 3 = 270/15 - Add the two like fractions:
27/15 + 270/15 = 27 + 270/15 = 297/15 - 297/15 simplified gives 99/5
- So, 27/15 + 90/5 = 99/5
In mixed form: 194/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+90/5 27/30+90/5 27/15+90/10 81/15+90/5 27/45+90/5 27/15+90/15 27/75+90/5 27/15+90/25 27/15+90/35