Add 80/16 and 72/45
1st number: 5 0/16, 2nd number: 1 27/45
80/16 + 72/45 is 33/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
80/16 = 80 × 45/16 × 45 = 3600/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
72/45 = 72 × 16/45 × 16 = 1152/720 - Add the two like fractions:
3600/720 + 1152/720 = 3600 + 1152/720 = 4752/720 - 4752/720 simplified gives 33/5
- So, 80/16 + 72/45 = 33/5
In mixed form: 63/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/32+72/45 80/16+72/90 80/48+72/45