Add 7/80 and 9/5
1st number: 7/80, 2nd number: 1 4/5
7/80 + 9/5 is 151/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
9/5 = 9 × 16/5 × 16 = 144/80 - Add the two like fractions:
7/80 + 144/80 = 7 + 144/80 = 151/80 - So, 7/80 + 9/5 = 151/80
In mixed form: 171/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/80+9/5 7/80+18/5 7/80+9/10 21/80+9/5 7/80+27/5 7/80+9/15 35/80+9/5 7/80+45/5 7/80+9/25 49/80+9/5 7/80+63/5 7/80+9/35