Add 4/84 and 1/30
4/84 + 1/30 is 17/210.
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,
4/84 = 4 × 5/84 × 5 = 20/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
1/30 = 1 × 14/30 × 14 = 14/420 - Add the two like fractions:
20/420 + 14/420 = 20 + 14/420 = 34/420 - 34/420 simplified gives 17/210
- So, 4/84 + 1/30 = 17/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84+1/30 4/84+2/30 4/84+1/60 12/84+1/30 4/84+3/30 4/84+1/90 20/84+1/30 4/84+5/30 28/84+1/30 4/84+7/30