Add 6/45 and 18/30
6/45 + 18/30 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 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 30 × 3 = 90,
18/30 = 18 × 3/30 × 3 = 54/90 - Add the two like fractions:
12/90 + 54/90 = 12 + 54/90 = 66/90 - 66/90 simplified gives 11/15
- So, 6/45 + 18/30 = 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45+18/30 6/45+36/30 6/90+18/30 6/45+18/60 18/45+18/30 6/45+54/30 6/45+18/90 30/45+18/30 6/45+90/30 42/45+18/30