Add 84/18 and 35/7
1st number: 4 12/18, 2nd number: 5 0/7
84/18 + 35/7 is 29/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
35/7 = 35 × 18/7 × 18 = 630/126 - Add the two like fractions:
588/126 + 630/126 = 588 + 630/126 = 1218/126 - 1218/126 simplified gives 29/3
- So, 84/18 + 35/7 = 29/3
In mixed form: 92/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+70/7 84/36+35/7 84/18+35/14 84/54+35/7 84/18+35/21 84/90+35/7 84/18+35/49