Add 4/84 and 1/15
4/84 + 1/15 is 4/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 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 15 × 28 = 420,
1/15 = 1 × 28/15 × 28 = 28/420 - Add the two like fractions:
20/420 + 28/420 = 20 + 28/420 = 48/420 - 48/420 simplified gives 4/35
- So, 4/84 + 1/15 = 4/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84+1/15 4/84+2/15 4/84+1/30 12/84+1/15 4/84+3/15 4/84+1/45 20/84+1/15 4/84+5/15 4/84+1/75 28/84+1/15 4/84+7/15