Add 84/7 and 84/30
1st number: 12 0/7, 2nd number: 2 24/30
84/7 + 84/30 is 74/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
84/7 = 84 × 30/7 × 30 = 2520/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
84/30 = 84 × 7/30 × 7 = 588/210 - Add the two like fractions:
2520/210 + 588/210 = 2520 + 588/210 = 3108/210 - 3108/210 simplified gives 74/5
- So, 84/7 + 84/30 = 74/5
In mixed form: 144/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+84/30 84/7+84/60 84/21+84/30 84/7+84/90 84/35+84/30 84/49+84/30