Add 3/84 and 2/30
3/84 + 2/30 is 43/420.
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,
3/84 = 3 × 5/84 × 5 = 15/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
2/30 = 2 × 14/30 × 14 = 28/420 - Add the two like fractions:
15/420 + 28/420 = 15 + 28/420 = 43/420 - So, 3/84 + 2/30 = 43/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84+2/30 3/84+4/30 3/84+2/60 9/84+2/30 3/84+6/30 3/84+2/90 15/84+2/30 3/84+10/30 21/84+2/30 3/84+14/30