Add 9/36 and 30/15
1st number: 9/36, 2nd number: 2 0/15
9/36 + 30/15 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
9/36 = 9 × 5/36 × 5 = 45/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
30/15 = 30 × 12/15 × 12 = 360/180 - Add the two like fractions:
45/180 + 360/180 = 45 + 360/180 = 405/180 - 405/180 simplified gives 9/4
- So, 9/36 + 30/15 = 9/4
In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36+30/15 9/36+60/15 9/72+30/15 27/36+30/15 9/36+90/15 9/36+30/45 45/36+30/15 9/36+30/75 63/36+30/15