Add 4/36 and 84/80
1st number: 4/36, 2nd number: 1 4/80
4/36 + 84/80 is 209/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
4/36 = 4 × 20/36 × 20 = 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, 4/36 + 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: 8/36+84/80 4/72+84/80 12/36+84/80 20/36+84/80 28/36+84/80