Add 7/18 and 84/28
1st number: 7/18, 2nd number: 3 0/28
7/18 + 84/28 is 61/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
7/18 = 7 × 14/18 × 14 = 98/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
84/28 = 84 × 9/28 × 9 = 756/252 - Add the two like fractions:
98/252 + 756/252 = 98 + 756/252 = 854/252 - 854/252 simplified gives 61/18
- So, 7/18 + 84/28 = 61/18
In mixed form: 37/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+84/28 7/36+84/28 7/18+84/56 21/18+84/28 7/54+84/28 35/18+84/28 7/90+84/28 49/18+84/28