Add 30/84 and 10/54
30/84 + 10/54 is 205/378.
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,
30/84 = 30 × 9/84 × 9 = 270/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
10/54 = 10 × 14/54 × 14 = 140/756 - Add the two like fractions:
270/756 + 140/756 = 270 + 140/756 = 410/756 - 410/756 simplified gives 205/378
- So, 30/84 + 10/54 = 205/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+10/54 30/84+20/54 90/84+10/54 30/84+30/54 30/84+50/54 30/84+70/54