Add 8/90 and 84/20
1st number: 8/90, 2nd number: 4 4/20
8/90 + 84/20 is 193/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
8/90 = 8 × 2/90 × 2 = 16/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
84/20 = 84 × 9/20 × 9 = 756/180 - Add the two like fractions:
16/180 + 756/180 = 16 + 756/180 = 772/180 - 772/180 simplified gives 193/45
- So, 8/90 + 84/20 = 193/45
In mixed form: 413/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90+84/20 8/90+84/40 24/90+84/20 8/90+84/60 40/90+84/20 56/90+84/20