Add 10/84 and 18/54
10/84 + 18/54 is 19/42.
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,
10/84 = 10 × 9/84 × 9 = 90/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
18/54 = 18 × 14/54 × 14 = 252/756 - Add the two like fractions:
90/756 + 252/756 = 90 + 252/756 = 342/756 - 342/756 simplified gives 19/42
- So, 10/84 + 18/54 = 19/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/84+18/54 10/84+36/54 30/84+18/54 50/84+18/54 10/84+90/54 70/84+18/54