Add 90/15 and 3/36
1st number: 6 0/15, 2nd number: 3/36
90/15 + 3/36 is 73/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
90/15 = 90 × 12/15 × 12 = 1080/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
3/36 = 3 × 5/36 × 5 = 15/180 - Add the two like fractions:
1080/180 + 15/180 = 1080 + 15/180 = 1095/180 - 1095/180 simplified gives 73/12
- So, 90/15 + 3/36 = 73/12
In mixed form: 61/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+6/36 90/30+3/36 90/15+3/72 90/15+9/36 90/45+3/36 90/15+15/36 90/75+3/36 90/15+21/36