Add 15/12 and 90/6
1st number: 1 3/12, 2nd number: 15 0/6
15/12 + 90/6 is 65/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
15/12 = 15 × 1/12 × 1 = 15/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
90/6 = 90 × 2/6 × 2 = 180/12 - Add the two like fractions:
15/12 + 180/12 = 15 + 180/12 = 195/12 - 195/12 simplified gives 65/4
- So, 15/12 + 90/6 = 65/4
In mixed form: 161/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+90/6 15/24+90/6 15/12+90/12 45/12+90/6 15/36+90/6 15/12+90/18 75/12+90/6 15/60+90/6 15/12+90/30 15/84+90/6 15/12+90/42