Add 9/20 and 4/16
9/20 + 4/16 is 7/10.
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,
9/20 = 9 × 4/20 × 4 = 36/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
4/16 = 4 × 5/16 × 5 = 20/80 - Add the two like fractions:
36/80 + 20/80 = 36 + 20/80 = 56/80 - 56/80 simplified gives 7/10
- So, 9/20 + 4/16 = 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20+4/16 9/20+8/16 9/40+4/16 9/20+4/32 27/20+4/16 9/20+12/16 9/60+4/16 9/20+4/48 45/20+4/16 9/20+20/16 9/20+4/80 63/20+4/16 9/20+28/16