Add 80/9 and 1/45
1st number: 8 8/9, 2nd number: 1/45
80/9 + 1/45 is 401/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
80/9 = 80 × 5/9 × 5 = 400/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
1/45 = 1 × 1/45 × 1 = 1/45 - Add the two like fractions:
400/45 + 1/45 = 400 + 1/45 = 401/45 - So, 80/9 + 1/45 = 401/45
In mixed form: 841/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9+2/45 80/18+1/45 80/9+1/90 80/9+3/45 80/27+1/45 80/9+5/45 80/45+1/45 80/9+7/45 80/63+1/45