Add 7/84 and 36/8
1st number: 7/84, 2nd number: 4 4/8
7/84 + 36/8 is 55/12.
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,
7/84 = 7 × 2/84 × 2 = 14/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
36/8 = 36 × 21/8 × 21 = 756/168 - Add the two like fractions:
14/168 + 756/168 = 14 + 756/168 = 770/168 - 770/168 simplified gives 55/12
- So, 7/84 + 36/8 = 55/12
In mixed form: 47/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+36/8 7/84+72/8 7/84+36/16 21/84+36/8 7/84+36/24 35/84+36/8 7/84+36/40 49/84+36/8 7/84+36/56