Add 18/84 and 1/30
18/84 + 1/30 is 26/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
1/30 = 1 × 14/30 × 14 = 14/420 - Add the two like fractions:
90/420 + 14/420 = 90 + 14/420 = 104/420 - 104/420 simplified gives 26/105
- So, 18/84 + 1/30 = 26/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/84+1/30 18/84+2/30 18/84+1/60 54/84+1/30 18/84+3/30 18/84+1/90 90/84+1/30 18/84+5/30 18/84+7/30