Add 8/84 and 14/70
8/84 + 14/70 is 31/105.
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,
8/84 = 8 × 5/84 × 5 = 40/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
14/70 = 14 × 6/70 × 6 = 84/420 - Add the two like fractions:
40/420 + 84/420 = 40 + 84/420 = 124/420 - 124/420 simplified gives 31/105
- So, 8/84 + 14/70 = 31/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84+14/70 8/84+28/70 24/84+14/70 8/84+42/70 40/84+14/70 56/84+14/70 8/84+98/70