Add 40/12 and 30/4
1st number: 3 4/12, 2nd number: 7 2/4
40/12 + 30/4 is 65/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
40/12 = 40 × 1/12 × 1 = 40/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
30/4 = 30 × 3/4 × 3 = 90/12 - Add the two like fractions:
40/12 + 90/12 = 40 + 90/12 = 130/12 - 130/12 simplified gives 65/6
- So, 40/12 + 30/4 = 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: 80/12+30/4 40/12+60/4 40/24+30/4 40/12+30/8 40/12+90/4 40/36+30/4 40/12+30/12 40/60+30/4 40/12+30/20 40/84+30/4 40/12+30/28