Add 9/16 and 45/80
9/16 + 45/80 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
9/16 = 9 × 5/16 × 5 = 45/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
45/80 = 45 × 1/80 × 1 = 45/80 - Add the two like fractions:
45/80 + 45/80 = 45 + 45/80 = 90/80 - 90/80 simplified gives 9/8
- So, 9/16 + 45/80 = 9/8
In mixed form: 11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/16+45/80 9/16+90/80 9/32+45/80 27/16+45/80 9/48+45/80 45/16+45/80 9/80+45/80 63/16+45/80