Add 84/63 and 35/18
1st number: 1 21/63, 2nd number: 1 17/18
84/63 + 35/18 is 59/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
84/63 = 84 × 2/63 × 2 = 168/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
35/18 = 35 × 7/18 × 7 = 245/126 - Add the two like fractions:
168/126 + 245/126 = 168 + 245/126 = 413/126 - 413/126 simplified gives 59/18
- So, 84/63 + 35/18 = 59/18
In mixed form: 35/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63+70/18 84/63+35/36 84/63+35/54 84/63+35/90