Add 6/84 and 30/10
1st number: 6/84, 2nd number: 3 0/10
6/84 + 30/10 is 43/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
6/84 = 6 × 5/84 × 5 = 30/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
30/10 = 30 × 42/10 × 42 = 1260/420 - Add the two like fractions:
30/420 + 1260/420 = 30 + 1260/420 = 1290/420 - 1290/420 simplified gives 43/14
- So, 6/84 + 30/10 = 43/14
In mixed form: 31/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84+30/10 6/84+60/10 6/84+30/20 18/84+30/10 6/84+90/10 30/84+30/10 6/84+30/50 42/84+30/10 6/84+30/70