Add 7/84 and 2/5
7/84 + 2/5 is 29/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
7/84 = 7 × 5/84 × 5 = 35/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
2/5 = 2 × 84/5 × 84 = 168/420 - Add the two like fractions:
35/420 + 168/420 = 35 + 168/420 = 203/420 - 203/420 simplified gives 29/60
- So, 7/84 + 2/5 = 29/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+2/5 7/84+4/5 7/84+2/10 21/84+2/5 7/84+6/5 7/84+2/15 35/84+2/5 7/84+10/5 7/84+2/25 49/84+2/5 7/84+14/5 7/84+2/35