Add 90/45 and 6/5
1st number: 2 0/45, 2nd number: 1 1/5
90/45 + 6/5 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
90/45 = 90 × 1/45 × 1 = 90/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
6/5 = 6 × 9/5 × 9 = 54/45 - Add the two like fractions:
90/45 + 54/45 = 90 + 54/45 = 144/45 - 144/45 simplified gives 16/5
- So, 90/45 + 6/5 = 16/5
In mixed form: 31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45+12/5 90/45+6/10 90/45+18/5 90/45+6/15 90/45+30/5 90/45+6/25 90/45+42/5 90/45+6/35