Add 20/84 and 60/54
1st number: 20/84, 2nd number: 1 6/54
20/84 + 60/54 is 85/63.
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,
60/54 = 60 × 14/54 × 14 = 840/756 - Add the two like fractions:
180/756 + 840/756 = 180 + 840/756 = 1020/756 - 1020/756 simplified gives 85/63
- So, 20/84 + 60/54 = 85/63
In mixed form: 122/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84+60/54 60/84+60/54