Add 12/36 and 42/8
1st number: 12/36, 2nd number: 5 2/8
12/36 + 42/8 is 67/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
12/36 = 12 × 2/36 × 2 = 24/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72 - Add the two like fractions:
24/72 + 378/72 = 24 + 378/72 = 402/72 - 402/72 simplified gives 67/12
- So, 12/36 + 42/8 = 67/12
In mixed form: 57/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36+42/8 12/36+84/8 12/72+42/8 12/36+42/16 12/36+42/24 60/36+42/8 12/36+42/40 84/36+42/8 12/36+42/56