Add 80/36 and 9/70
1st number: 2 8/36, 2nd number: 9/70
80/36 + 9/70 is 1481/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
80/36 = 80 × 35/36 × 35 = 2800/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
9/70 = 9 × 18/70 × 18 = 162/1260 - Add the two like fractions:
2800/1260 + 162/1260 = 2800 + 162/1260 = 2962/1260 - 2962/1260 simplified gives 1481/630
- So, 80/36 + 9/70 = 1481/630
In mixed form: 2221/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/36+18/70 80/72+9/70 80/36+27/70 80/36+45/70 80/36+63/70