Add 15/84 and 27/8
1st number: 15/84, 2nd number: 3 3/8
15/84 + 27/8 is 199/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
15/84 = 15 × 2/84 × 2 = 30/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
27/8 = 27 × 21/8 × 21 = 567/168 - Add the two like fractions:
30/168 + 567/168 = 30 + 567/168 = 597/168 - 597/168 simplified gives 199/56
- So, 15/84 + 27/8 = 199/56
In mixed form: 331/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84+27/8 15/84+54/8 15/84+27/16 45/84+27/8 15/84+81/8 15/84+27/24 75/84+27/8 15/84+27/40 15/84+27/56