Add 20/84 and 27/8
1st number: 20/84, 2nd number: 3 3/8
20/84 + 27/8 is 607/168.
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,
20/84 = 20 × 2/84 × 2 = 40/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
27/8 = 27 × 21/8 × 21 = 567/168 - Add the two like fractions:
40/168 + 567/168 = 40 + 567/168 = 607/168 - So, 20/84 + 27/8 = 607/168
In mixed form: 3103/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84+27/8 20/84+54/8 20/84+27/16 60/84+27/8 20/84+81/8 20/84+27/24 20/84+27/40 20/84+27/56