Add 6/45 and 6/90
6/45 + 6/90 is 1/5.
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,
6/90 = 6 × 1/90 × 1 = 6/90 - Add the two like fractions:
12/90 + 6/90 = 12 + 6/90 = 18/90 - 18/90 simplified gives 1/5
- So, 6/45 + 6/90 = 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45+6/90 6/45+12/90 6/90+6/90 18/45+6/90 6/45+18/90 30/45+6/90 6/45+30/90 42/45+6/90 6/45+42/90