Add 5/80 and 10/18
5/80 + 10/18 is 89/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
5/80 = 5 × 9/80 × 9 = 45/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
10/18 = 10 × 40/18 × 40 = 400/720 - Add the two like fractions:
45/720 + 400/720 = 45 + 400/720 = 445/720 - 445/720 simplified gives 89/144
- So, 5/80 + 10/18 = 89/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/80+10/18 5/80+20/18 5/80+10/36 15/80+10/18 5/80+30/18 5/80+10/54 25/80+10/18 5/80+50/18 5/80+10/90 35/80+10/18 5/80+70/18