Add 8/84 and 5/30
8/84 + 5/30 is 11/42.
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,
5/30 = 5 × 14/30 × 14 = 70/420 - Add the two like fractions:
40/420 + 70/420 = 40 + 70/420 = 110/420 - 110/420 simplified gives 11/42
- So, 8/84 + 5/30 = 11/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84+5/30 8/84+10/30 8/84+5/60 24/84+5/30 8/84+15/30 8/84+5/90 40/84+5/30 8/84+25/30 56/84+5/30 8/84+35/30