Add 12/84 and 6/70
12/84 + 6/70 is 8/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
12/84 = 12 × 5/84 × 5 = 60/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
6/70 = 6 × 6/70 × 6 = 36/420 - Add the two like fractions:
60/420 + 36/420 = 60 + 36/420 = 96/420 - 96/420 simplified gives 8/35
- So, 12/84 + 6/70 = 8/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/84+6/70 12/84+12/70 36/84+6/70 12/84+18/70 60/84+6/70 12/84+30/70 12/84+42/70