Add 7/16 and 7/20
7/16 + 7/20 is 63/80.
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,
7/16 = 7 × 5/16 × 5 = 35/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
7/20 = 7 × 4/20 × 4 = 28/80 - Add the two like fractions:
35/80 + 28/80 = 35 + 28/80 = 63/80 - So, 7/16 + 7/20 = 63/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/16+7/20 7/16+14/20 7/32+7/20 7/16+7/40 21/16+7/20 7/16+21/20 7/48+7/20 7/16+7/60 35/16+7/20 7/16+35/20 7/80+7/20 49/16+7/20 7/16+49/20