Add 40/12 and 42/36
1st number: 3 4/12, 2nd number: 1 6/36
40/12 + 42/36 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
42/36 = 42 × 1/36 × 1 = 42/36 - Add the two like fractions:
120/36 + 42/36 = 120 + 42/36 = 162/36 - 162/36 simplified gives 9/2
- So, 40/12 + 42/36 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+42/36 40/12+84/36 40/24+42/36 40/12+42/72 40/36+42/36 40/60+42/36 40/84+42/36