Add 84/4 and 35/18
1st number: 21 0/4, 2nd number: 1 17/18
84/4 + 35/18 is 413/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
84/4 = 84 × 9/4 × 9 = 756/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
35/18 = 35 × 2/18 × 2 = 70/36 - Add the two like fractions:
756/36 + 70/36 = 756 + 70/36 = 826/36 - 826/36 simplified gives 413/18
- So, 84/4 + 35/18 = 413/18
In mixed form: 2217/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+70/18 84/8+35/18 84/4+35/36 84/12+35/18 84/4+35/54 84/20+35/18 84/4+35/90 84/28+35/18