Add 3/4 and 84/8
1st number: 3/4, 2nd number: 10 4/8
3/4 + 84/8 is 45/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
3/4 = 3 × 2/4 × 2 = 6/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
84/8 = 84 × 1/8 × 1 = 84/8 - Add the two like fractions:
6/8 + 84/8 = 6 + 84/8 = 90/8 - 90/8 simplified gives 45/4
- So, 3/4 + 84/8 = 45/4
In mixed form: 111/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4+84/8 3/8+84/8 3/4+84/16 9/4+84/8 3/12+84/8 3/4+84/24 15/4+84/8 3/20+84/8 3/4+84/40 21/4+84/8 3/28+84/8 3/4+84/56