Add 3/7 and 84/30
1st number: 3/7, 2nd number: 2 24/30
3/7 + 84/30 is 113/35.
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,
3/7 = 3 × 30/7 × 30 = 90/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
84/30 = 84 × 7/30 × 7 = 588/210 - Add the two like fractions:
90/210 + 588/210 = 90 + 588/210 = 678/210 - 678/210 simplified gives 113/35
- So, 3/7 + 84/30 = 113/35
In mixed form: 38/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+84/30 3/14+84/30 3/7+84/60 9/7+84/30 3/21+84/30 3/7+84/90 15/7+84/30 3/35+84/30 21/7+84/30 3/49+84/30