Add 3/20 and 9/16
3/20 + 9/16 is 57/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
3/20 = 3 × 4/20 × 4 = 12/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
9/16 = 9 × 5/16 × 5 = 45/80 - Add the two like fractions:
12/80 + 45/80 = 12 + 45/80 = 57/80 - So, 3/20 + 9/16 = 57/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+9/16 3/20+18/16 3/40+9/16 3/20+9/32 9/20+9/16 3/20+27/16 3/60+9/16 3/20+9/48 15/20+9/16 3/20+45/16 3/20+9/80 21/20+9/16 3/20+63/16