Add 1/45 and 4/9
1/45 + 4/9 is 7/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
1/45 = 1 × 1/45 × 1 = 1/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
4/9 = 4 × 5/9 × 5 = 20/45 - Add the two like fractions:
1/45 + 20/45 = 1 + 20/45 = 21/45 - 21/45 simplified gives 7/15
- So, 1/45 + 4/9 = 7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+4/9 1/45+8/9 1/90+4/9 1/45+4/18 3/45+4/9 1/45+12/9 1/45+4/27 5/45+4/9 1/45+20/9 1/45+4/45 7/45+4/9 1/45+28/9 1/45+4/63