Add 80/5 and 9/70
1st number: 16 0/5, 2nd number: 9/70
80/5 + 9/70 is 1129/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
80/5 = 80 × 14/5 × 14 = 1120/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
9/70 = 9 × 1/70 × 1 = 9/70 - Add the two like fractions:
1120/70 + 9/70 = 1120 + 9/70 = 1129/70 - So, 80/5 + 9/70 = 1129/70
In mixed form: 169/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+18/70 80/10+9/70 80/5+27/70 80/15+9/70 80/5+45/70 80/25+9/70 80/5+63/70 80/35+9/70