Add 28/84 and 27/8
1st number: 28/84, 2nd number: 3 3/8
28/84 + 27/8 is 89/24.
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,
28/84 = 28 × 2/84 × 2 = 56/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
27/8 = 27 × 21/8 × 21 = 567/168 - Add the two like fractions:
56/168 + 567/168 = 56 + 567/168 = 623/168 - 623/168 simplified gives 89/24
- So, 28/84 + 27/8 = 89/24
In mixed form: 317/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+27/8 28/84+54/8 28/84+27/16 28/84+81/8 28/84+27/24 28/84+27/40 28/84+27/56