Add 4/45 and 9/30
4/45 + 9/30 is 7/18.
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,
4/45 = 4 × 2/45 × 2 = 8/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
9/30 = 9 × 3/30 × 3 = 27/90 - Add the two like fractions:
8/90 + 27/90 = 8 + 27/90 = 35/90 - 35/90 simplified gives 7/18
- So, 4/45 + 9/30 = 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+9/30 4/45+18/30 4/90+9/30 4/45+9/60 12/45+9/30 4/45+27/30 4/45+9/90 20/45+9/30 4/45+45/30 28/45+9/30 4/45+63/30