Add 84/6 and 81/42
1st number: 14 0/6, 2nd number: 1 39/42
84/6 + 81/42 is 223/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
84/6 = 84 × 7/6 × 7 = 588/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
81/42 = 81 × 1/42 × 1 = 81/42 - Add the two like fractions:
588/42 + 81/42 = 588 + 81/42 = 669/42 - 669/42 simplified gives 223/14
- So, 84/6 + 81/42 = 223/14
In mixed form: 1513/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+81/42 84/6+81/84 84/18+81/42 84/30+81/42 84/42+81/42