Add 80/15 and 36/90
1st number: 5 5/15, 2nd number: 36/90
80/15 + 36/90 is 86/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
80/15 = 80 × 6/15 × 6 = 480/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
36/90 = 36 × 1/90 × 1 = 36/90 - Add the two like fractions:
480/90 + 36/90 = 480 + 36/90 = 516/90 - 516/90 simplified gives 86/15
- So, 80/15 + 36/90 = 86/15
In mixed form: 511/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+72/90 80/30+36/90 80/45+36/90 80/75+36/90