Add 3/18 and 84/8
1st number: 3/18, 2nd number: 10 4/8
3/18 + 84/8 is 32/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
3/18 = 3 × 4/18 × 4 = 12/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
84/8 = 84 × 9/8 × 9 = 756/72 - Add the two like fractions:
12/72 + 756/72 = 12 + 756/72 = 768/72 - 768/72 simplified gives 32/3
- So, 3/18 + 84/8 = 32/3
In mixed form: 102/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+84/8 3/36+84/8 3/18+84/16 9/18+84/8 3/54+84/8 3/18+84/24 15/18+84/8 3/90+84/8 3/18+84/40 21/18+84/8 3/18+84/56