Add 8/84 and 28/30
8/84 + 28/30 is 36/35.
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,
8/84 = 8 × 5/84 × 5 = 40/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
28/30 = 28 × 14/30 × 14 = 392/420 - Add the two like fractions:
40/420 + 392/420 = 40 + 392/420 = 432/420 - 432/420 simplified gives 36/35
- So, 8/84 + 28/30 = 36/35
In mixed form: 11/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84+28/30 8/84+56/30 8/84+28/60 24/84+28/30 8/84+84/30 8/84+28/90 40/84+28/30 56/84+28/30