Add 15/2 and 40/12
1st number: 7 1/2, 2nd number: 3 4/12
15/2 + 40/12 is 65/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
15/2 = 15 × 6/2 × 6 = 90/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
40/12 = 40 × 1/12 × 1 = 40/12 - Add the two like fractions:
90/12 + 40/12 = 90 + 40/12 = 130/12 - 130/12 simplified gives 65/6
- So, 15/2 + 40/12 = 65/6
In mixed form: 105/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+40/12 15/2+80/12 15/4+40/12 15/2+40/24 45/2+40/12 15/6+40/12 15/2+40/36 75/2+40/12 15/10+40/12 15/2+40/60 15/14+40/12 15/2+40/84