Add 30/84 and 27/5
1st number: 30/84, 2nd number: 5 2/5
30/84 + 27/5 is 403/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
30/84 = 30 × 5/84 × 5 = 150/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
27/5 = 27 × 84/5 × 84 = 2268/420 - Add the two like fractions:
150/420 + 2268/420 = 150 + 2268/420 = 2418/420 - 2418/420 simplified gives 403/70
- So, 30/84 + 27/5 = 403/70
In mixed form: 553/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+27/5 30/84+54/5 30/84+27/10 90/84+27/5 30/84+81/5 30/84+27/15 30/84+27/25 30/84+27/35