Add 9/45 and 4/16
9/45 + 4/16 is 9/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 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 16 × 45 = 720,
4/16 = 4 × 45/16 × 45 = 180/720 - Add the two like fractions:
144/720 + 180/720 = 144 + 180/720 = 324/720 - 324/720 simplified gives 9/20
- So, 9/45 + 4/16 = 9/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45+4/16 9/45+8/16 9/90+4/16 9/45+4/32 27/45+4/16 9/45+12/16 9/45+4/48 9/45+20/16 9/45+4/80 63/45+4/16 9/45+28/16