Add 9/16 and 45/20
1st number: 9/16, 2nd number: 2 5/20
9/16 + 45/20 is 45/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 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 20 × 4 = 80,
45/20 = 45 × 4/20 × 4 = 180/80 - Add the two like fractions:
45/80 + 180/80 = 45 + 180/80 = 225/80 - 225/80 simplified gives 45/16
- So, 9/16 + 45/20 = 45/16
In mixed form: 213/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/16+45/20 9/16+90/20 9/32+45/20 9/16+45/40 27/16+45/20 9/48+45/20 9/16+45/60 45/16+45/20 9/80+45/20 63/16+45/20