Add 18/84 and 1/8
18/84 + 1/8 is 19/56.
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,
18/84 = 18 × 2/84 × 2 = 36/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
1/8 = 1 × 21/8 × 21 = 21/168 - Add the two like fractions:
36/168 + 21/168 = 36 + 21/168 = 57/168 - 57/168 simplified gives 19/56
- So, 18/84 + 1/8 = 19/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/84+1/8 18/84+2/8 18/84+1/16 54/84+1/8 18/84+3/8 18/84+1/24 90/84+1/8 18/84+5/8 18/84+1/40 18/84+7/8 18/84+1/56