Add 9/80 and 9/18
9/80 + 9/18 is 49/80.
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,
9/80 = 9 × 9/80 × 9 = 81/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
9/18 = 9 × 40/18 × 40 = 360/720 - Add the two like fractions:
81/720 + 360/720 = 81 + 360/720 = 441/720 - 441/720 simplified gives 49/80
- So, 9/80 + 9/18 = 49/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80+9/18 9/80+9/36 27/80+9/18 9/80+27/18 9/80+9/54 45/80+9/18 9/80+45/18 9/80+9/90 63/80+9/18 9/80+63/18