Add 4/84 and 42/6
1st number: 4/84, 2nd number: 7 0/6
4/84 + 42/6 is 148/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
4/84 = 4 × 1/84 × 1 = 4/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
42/6 = 42 × 14/6 × 14 = 588/84 - Add the two like fractions:
4/84 + 588/84 = 4 + 588/84 = 592/84 - 592/84 simplified gives 148/21
- So, 4/84 + 42/6 = 148/21
In mixed form: 71/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84+42/6 4/84+84/6 4/84+42/12 12/84+42/6 4/84+42/18 20/84+42/6 4/84+42/30 28/84+42/6