Add 3/84 and 3/8
3/84 + 3/8 is 23/56.
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,
3/84 = 3 × 2/84 × 2 = 6/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
3/8 = 3 × 21/8 × 21 = 63/168 - Add the two like fractions:
6/168 + 63/168 = 6 + 63/168 = 69/168 - 69/168 simplified gives 23/56
- So, 3/84 + 3/8 = 23/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84+3/8 3/84+6/8 3/84+3/16 9/84+3/8 3/84+9/8 3/84+3/24 15/84+3/8 3/84+15/8 3/84+3/40 21/84+3/8 3/84+21/8 3/84+3/56