Add 27/4 and 84/28
1st number: 6 3/4, 2nd number: 3 0/28
27/4 + 84/28 is 39/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
27/4 = 27 × 7/4 × 7 = 189/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
84/28 = 84 × 1/28 × 1 = 84/28 - Add the two like fractions:
189/28 + 84/28 = 189 + 84/28 = 273/28 - 273/28 simplified gives 39/4
- So, 27/4 + 84/28 = 39/4
In mixed form: 93/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+84/28 27/8+84/28 27/4+84/56 81/4+84/28 27/12+84/28 27/20+84/28 27/28+84/28