Add 35/28 and 84/4
1st number: 1 7/28, 2nd number: 21 0/4
35/28 + 84/4 is 89/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
35/28 = 35 × 1/28 × 1 = 35/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
84/4 = 84 × 7/4 × 7 = 588/28 - Add the two like fractions:
35/28 + 588/28 = 35 + 588/28 = 623/28 - 623/28 simplified gives 89/4
- So, 35/28 + 84/4 = 89/4
In mixed form: 221/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+84/4 35/56+84/4 35/28+84/8 35/84+84/4 35/28+84/12 35/28+84/20 35/28+84/28