Add 10/90 and 84/80
1st number: 10/90, 2nd number: 1 4/80
10/90 + 84/80 is 209/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
10/90 = 10 × 8/90 × 8 = 80/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
84/80 = 84 × 9/80 × 9 = 756/720 - Add the two like fractions:
80/720 + 756/720 = 80 + 756/720 = 836/720 - 836/720 simplified gives 209/180
- So, 10/90 + 84/80 = 209/180
In mixed form: 129/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90+84/80 30/90+84/80 50/90+84/80 70/90+84/80