Add 40/12 and 42/4
1st number: 3 4/12, 2nd number: 10 2/4
40/12 + 42/4 is 83/6.
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,
42/4 = 42 × 3/4 × 3 = 126/12 - Add the two like fractions:
40/12 + 126/12 = 40 + 126/12 = 166/12 - 166/12 simplified gives 83/6
- So, 40/12 + 42/4 = 83/6
In mixed form: 135/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+42/4 40/12+84/4 40/24+42/4 40/12+42/8 40/36+42/4 40/12+42/12 40/60+42/4 40/12+42/20 40/84+42/4 40/12+42/28