Add 7/84 and 6/30
7/84 + 6/30 is 17/60.
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,
7/84 = 7 × 5/84 × 5 = 35/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
6/30 = 6 × 14/30 × 14 = 84/420 - Add the two like fractions:
35/420 + 84/420 = 35 + 84/420 = 119/420 - 119/420 simplified gives 17/60
- So, 7/84 + 6/30 = 17/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+6/30 7/84+12/30 7/84+6/60 21/84+6/30 7/84+18/30 7/84+6/90 35/84+6/30 49/84+6/30 7/84+42/30