Add 36/12 and 3/90
1st number: 3 0/12, 2nd number: 3/90
36/12 + 3/90 is 91/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
36/12 = 36 × 15/12 × 15 = 540/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Add the two like fractions:
540/180 + 6/180 = 540 + 6/180 = 546/180 - 546/180 simplified gives 91/30
- So, 36/12 + 3/90 = 91/30
In mixed form: 31/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+3/90 36/12+6/90 36/24+3/90 36/12+9/90 36/12+15/90 36/60+3/90 36/12+21/90 36/84+3/90