Add 20/48 and 45/9
1st number: 20/48, 2nd number: 5 0/9
20/48 + 45/9 is 65/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
20/48 = 20 × 3/48 × 3 = 60/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
45/9 = 45 × 16/9 × 16 = 720/144 - Add the two like fractions:
60/144 + 720/144 = 60 + 720/144 = 780/144 - 780/144 simplified gives 65/12
- So, 20/48 + 45/9 = 65/12
In mixed form: 55/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/48+45/9 20/48+90/9 20/96+45/9 20/48+45/18 60/48+45/9 20/48+45/27 20/48+45/63