Add 6/84 and 30/54
6/84 + 30/54 is 79/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
6/84 = 6 × 9/84 × 9 = 54/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
30/54 = 30 × 14/54 × 14 = 420/756 - Add the two like fractions:
54/756 + 420/756 = 54 + 420/756 = 474/756 - 474/756 simplified gives 79/126
- So, 6/84 + 30/54 = 79/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84+30/54 6/84+60/54 18/84+30/54 6/84+90/54 30/84+30/54 42/84+30/54