Add 18/4 and 8/84
1st number: 4 2/4, 2nd number: 8/84
18/4 + 8/84 is 193/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
18/4 = 18 × 21/4 × 21 = 378/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84 - Add the two like fractions:
378/84 + 8/84 = 378 + 8/84 = 386/84 - 386/84 simplified gives 193/42
- So, 18/4 + 8/84 = 193/42
In mixed form: 425/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4+8/84 18/4+16/84 18/8+8/84 54/4+8/84 18/4+24/84 18/12+8/84 90/4+8/84 18/4+40/84 18/20+8/84 18/4+56/84 18/28+8/84