Add 6/45 and 9/90
6/45 + 9/90 is 7/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
6/45 = 6 × 2/45 × 2 = 12/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Add the two like fractions:
12/90 + 9/90 = 12 + 9/90 = 21/90 - 21/90 simplified gives 7/30
- So, 6/45 + 9/90 = 7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45+9/90 6/45+18/90 6/90+9/90 18/45+9/90 6/45+27/90 30/45+9/90 6/45+45/90 42/45+9/90 6/45+63/90