Add 4/16 and 9/40
4/16 + 9/40 is 19/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
4/16 = 4 × 5/16 × 5 = 20/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
9/40 = 9 × 2/40 × 2 = 18/80 - Add the two like fractions:
20/80 + 18/80 = 20 + 18/80 = 38/80 - 38/80 simplified gives 19/40
- So, 4/16 + 9/40 = 19/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16+9/40 4/16+18/40 4/32+9/40 4/16+9/80 12/16+9/40 4/16+27/40 4/48+9/40 20/16+9/40 4/16+45/40 4/80+9/40 28/16+9/40 4/16+63/40