Add 84/15 and 36/90
1st number: 5 9/15, 2nd number: 36/90
84/15 + 36/90 is 6/1.
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,
84/15 = 84 × 6/15 × 6 = 504/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
36/90 = 36 × 1/90 × 1 = 36/90 - Add the two like fractions:
504/90 + 36/90 = 504 + 36/90 = 540/90 - 540/90 simplified gives 6/1
- So, 84/15 + 36/90 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+72/90 84/30+36/90 84/45+36/90 84/75+36/90