Add 16/7 and 84/18
1st number: 2 2/7, 2nd number: 4 12/18
16/7 + 84/18 is 146/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
16/7 = 16 × 18/7 × 18 = 288/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126 - Add the two like fractions:
288/126 + 588/126 = 288 + 588/126 = 876/126 - 876/126 simplified gives 146/21
- So, 16/7 + 84/18 = 146/21
In mixed form: 620/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/7+84/18 16/14+84/18 16/7+84/36 48/7+84/18 16/21+84/18 16/7+84/54 80/7+84/18 16/35+84/18 16/7+84/90 16/49+84/18