Add 20/84 and 5/54
20/84 + 5/54 is 125/378.
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,
20/84 = 20 × 9/84 × 9 = 180/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
5/54 = 5 × 14/54 × 14 = 70/756 - Add the two like fractions:
180/756 + 70/756 = 180 + 70/756 = 250/756 - 250/756 simplified gives 125/378
- So, 20/84 + 5/54 = 125/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84+5/54 20/84+10/54 60/84+5/54 20/84+15/54 20/84+25/54 20/84+35/54