Add 90/5 and 9/45
1st number: 18 0/5, 2nd number: 9/45
90/5 + 9/45 is 91/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
90/5 = 90 × 9/5 × 9 = 810/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
9/45 = 9 × 1/45 × 1 = 9/45 - Add the two like fractions:
810/45 + 9/45 = 810 + 9/45 = 819/45 - 819/45 simplified gives 91/5
- So, 90/5 + 9/45 = 91/5
In mixed form: 181/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+18/45 90/10+9/45 90/5+9/90 90/5+27/45 90/15+9/45 90/25+9/45 90/5+63/45 90/35+9/45