Add 27/5 and 15/84
1st number: 5 2/5, 2nd number: 15/84
27/5 + 15/84 is 781/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
27/5 = 27 × 84/5 × 84 = 2268/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
15/84 = 15 × 5/84 × 5 = 75/420 - Add the two like fractions:
2268/420 + 75/420 = 2268 + 75/420 = 2343/420 - 2343/420 simplified gives 781/140
- So, 27/5 + 15/84 = 781/140
In mixed form: 581/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5+15/84 27/5+30/84 27/10+15/84 81/5+15/84 27/5+45/84 27/15+15/84 27/5+75/84 27/25+15/84 27/35+15/84