Add 9/5 and 70/80
1st number: 1 4/5, 2nd number: 70/80
9/5 + 70/80 is 107/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
9/5 = 9 × 16/5 × 16 = 144/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
70/80 = 70 × 1/80 × 1 = 70/80 - Add the two like fractions:
144/80 + 70/80 = 144 + 70/80 = 214/80 - 214/80 simplified gives 107/40
- So, 9/5 + 70/80 = 107/40
In mixed form: 227/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5+70/80 9/10+70/80 27/5+70/80 9/15+70/80 45/5+70/80 9/25+70/80 63/5+70/80 9/35+70/80