Add 80/16 and 7/20
1st number: 5 0/16, 2nd number: 7/20
80/16 + 7/20 is 107/20.
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,
80/16 = 80 × 5/16 × 5 = 400/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
7/20 = 7 × 4/20 × 4 = 28/80 - Add the two like fractions:
400/80 + 28/80 = 400 + 28/80 = 428/80 - 428/80 simplified gives 107/20
- So, 80/16 + 7/20 = 107/20
In mixed form: 57/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16+14/20 80/32+7/20 80/16+7/40 80/16+21/20 80/48+7/20 80/16+7/60 80/16+35/20 80/16+49/20