Add 10/84 and 8/30
10/84 + 8/30 is 27/70.
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,
10/84 = 10 × 5/84 × 5 = 50/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
8/30 = 8 × 14/30 × 14 = 112/420 - Add the two like fractions:
50/420 + 112/420 = 50 + 112/420 = 162/420 - 162/420 simplified gives 27/70
- So, 10/84 + 8/30 = 27/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/84+8/30 10/84+16/30 10/84+8/60 30/84+8/30 10/84+24/30 10/84+8/90 50/84+8/30 10/84+40/30 70/84+8/30 10/84+56/30