Add 6/8 and 90/5
1st number: 6/8, 2nd number: 18 0/5
6/8 + 90/5 is 75/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
90/5 = 90 × 8/5 × 8 = 720/40 - Add the two like fractions:
30/40 + 720/40 = 30 + 720/40 = 750/40 - 750/40 simplified gives 75/4
- So, 6/8 + 90/5 = 75/4
In mixed form: 183/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+90/5 6/16+90/5 6/8+90/10 18/8+90/5 6/24+90/5 6/8+90/15 30/8+90/5 6/40+90/5 6/8+90/25 42/8+90/5 6/56+90/5 6/8+90/35