Add 42/12 and 8/84
1st number: 3 6/12, 2nd number: 8/84
42/12 + 8/84 is 151/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
42/12 = 42 × 7/12 × 7 = 294/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84 - Add the two like fractions:
294/84 + 8/84 = 294 + 8/84 = 302/84 - 302/84 simplified gives 151/42
- So, 42/12 + 8/84 = 151/42
In mixed form: 325/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+8/84 42/12+16/84 42/24+8/84 42/12+24/84 42/36+8/84 42/12+40/84 42/60+8/84 42/12+56/84 42/84+8/84