Add 90/8 and 6/20
1st number: 11 2/8, 2nd number: 6/20
90/8 + 6/20 is 231/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
90/8 = 90 × 5/8 × 5 = 450/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
6/20 = 6 × 2/20 × 2 = 12/40 - Add the two like fractions:
450/40 + 12/40 = 450 + 12/40 = 462/40 - 462/40 simplified gives 231/20
- So, 90/8 + 6/20 = 231/20
In mixed form: 1111/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+12/20 90/16+6/20 90/8+6/40 90/8+18/20 90/24+6/20 90/8+6/60 90/8+30/20 90/40+6/20 90/8+42/20 90/56+6/20