Add 18/2 and 84/56
1st number: 9 0/2, 2nd number: 1 28/56
18/2 + 84/56 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
18/2 = 18 × 28/2 × 28 = 504/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
84/56 = 84 × 1/56 × 1 = 84/56 - Add the two like fractions:
504/56 + 84/56 = 504 + 84/56 = 588/56 - 588/56 simplified gives 21/2
- So, 18/2 + 84/56 = 21/2
In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2+84/56 18/4+84/56 54/2+84/56 18/6+84/56 90/2+84/56 18/10+84/56 18/14+84/56