Add 54/18 and 3/84
1st number: 3 0/18, 2nd number: 3/84
54/18 + 3/84 is 85/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
54/18 = 54 × 14/18 × 14 = 756/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
3/84 = 3 × 3/84 × 3 = 9/252 - Add the two like fractions:
756/252 + 9/252 = 756 + 9/252 = 765/252 - 765/252 simplified gives 85/28
- So, 54/18 + 3/84 = 85/28
In mixed form: 31/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+6/84 54/36+3/84 54/18+9/84 54/18+15/84 54/90+3/84 54/18+21/84