Add 21/2 and 3/54
1st number: 10 1/2, 2nd number: 3/54
21/2 + 3/54 is 95/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
21/2 = 21 × 27/2 × 27 = 567/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
3/54 = 3 × 1/54 × 1 = 3/54 - Add the two like fractions:
567/54 + 3/54 = 567 + 3/54 = 570/54 - 570/54 simplified gives 95/9
- So, 21/2 + 3/54 = 95/9
In mixed form: 105/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2+3/54 21/2+6/54 21/4+3/54 63/2+3/54 21/2+9/54 21/6+3/54 21/2+15/54 21/10+3/54 21/2+21/54 21/14+3/54