Add 54/3 and 20/84
1st number: 18 0/3, 2nd number: 20/84
54/3 + 20/84 is 383/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
54/3 = 54 × 28/3 × 28 = 1512/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Add the two like fractions:
1512/84 + 20/84 = 1512 + 20/84 = 1532/84 - 1532/84 simplified gives 383/21
- So, 54/3 + 20/84 = 383/21
In mixed form: 185/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/3+40/84 54/6+20/84 54/3+60/84 54/9+20/84 54/15+20/84 54/21+20/84