Add 45/90 and 9/16
45/90 + 9/16 is 17/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
45/90 = 45 × 8/90 × 8 = 360/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
9/16 = 9 × 45/16 × 45 = 405/720 - Add the two like fractions:
360/720 + 405/720 = 360 + 405/720 = 765/720 - 765/720 simplified gives 17/16
- So, 45/90 + 9/16 = 17/16
In mixed form: 11/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 45/90+18/16 45/90+9/32 45/90+27/16 45/90+9/48 45/90+45/16 45/90+9/80 45/90+63/16