Add 7/84 and 7/8
7/84 + 7/8 is 23/24.
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,
7/84 = 7 × 2/84 × 2 = 14/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
7/8 = 7 × 21/8 × 21 = 147/168 - Add the two like fractions:
14/168 + 147/168 = 14 + 147/168 = 161/168 - 161/168 simplified gives 23/24
- So, 7/84 + 7/8 = 23/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+7/8 7/84+14/8 7/84+7/16 21/84+7/8 7/84+21/8 7/84+7/24 35/84+7/8 7/84+35/8 7/84+7/40 49/84+7/8 7/84+49/8 7/84+7/56