Add 9/45 and 18/48
9/45 + 18/48 is 23/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
9/45 = 9 × 16/45 × 16 = 144/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
18/48 = 18 × 15/48 × 15 = 270/720 - Add the two like fractions:
144/720 + 270/720 = 144 + 270/720 = 414/720 - 414/720 simplified gives 23/40
- So, 9/45 + 18/48 = 23/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45+18/48 9/45+36/48 9/90+18/48 9/45+18/96 27/45+18/48 9/45+54/48 9/45+90/48 63/45+18/48