Add 9/20 and 7/16
9/20 + 7/16 is 71/80.
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,
9/20 = 9 × 4/20 × 4 = 36/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
7/16 = 7 × 5/16 × 5 = 35/80 - Add the two like fractions:
36/80 + 35/80 = 36 + 35/80 = 71/80 - So, 9/20 + 7/16 = 71/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20+7/16 9/20+14/16 9/40+7/16 9/20+7/32 27/20+7/16 9/20+21/16 9/60+7/16 9/20+7/48 45/20+7/16 9/20+35/16 9/20+7/80 63/20+7/16 9/20+49/16