Add 90/45 and 9/6
1st number: 2 0/45, 2nd number: 1 3/6
90/45 + 9/6 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
90/45 = 90 × 2/45 × 2 = 180/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
9/6 = 9 × 15/6 × 15 = 135/90 - Add the two like fractions:
180/90 + 135/90 = 180 + 135/90 = 315/90 - 315/90 simplified gives 7/2
- So, 90/45 + 9/6 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45+18/6 90/45+9/12 90/45+27/6 90/45+9/18 90/45+45/6 90/45+9/30 90/45+63/6 90/45+9/42