Add 36/90 and 72/15
1st number: 36/90, 2nd number: 4 12/15
36/90 + 72/15 is 26/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
36/90 = 36 × 1/90 × 1 = 36/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
72/15 = 72 × 6/15 × 6 = 432/90 - Add the two like fractions:
36/90 + 432/90 = 36 + 432/90 = 468/90 - 468/90 simplified gives 26/5
- So, 36/90 + 72/15 = 26/5
In mixed form: 51/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/90+72/15 36/90+72/30 36/90+72/45 36/90+72/75