Add 16/18 and 5/80
16/18 + 5/80 is 137/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
16/18 = 16 × 40/18 × 40 = 640/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
5/80 = 5 × 9/80 × 9 = 45/720 - Add the two like fractions:
640/720 + 45/720 = 640 + 45/720 = 685/720 - 685/720 simplified gives 137/144
- So, 16/18 + 5/80 = 137/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/18+5/80 16/18+10/80 16/36+5/80 48/18+5/80 16/18+15/80 16/54+5/80 80/18+5/80 16/18+25/80 16/90+5/80 16/18+35/80