Add 84/8 and 6/90
1st number: 10 4/8, 2nd number: 6/90
84/8 + 6/90 is 317/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
84/8 = 84 × 45/8 × 45 = 3780/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
6/90 = 6 × 4/90 × 4 = 24/360 - Add the two like fractions:
3780/360 + 24/360 = 3780 + 24/360 = 3804/360 - 3804/360 simplified gives 317/30
- So, 84/8 + 6/90 = 317/30
In mixed form: 1017/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+12/90 84/16+6/90 84/8+18/90 84/24+6/90 84/8+30/90 84/40+6/90 84/8+42/90 84/56+6/90