Add 9/80 and 36/45
9/80 + 36/45 is 73/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 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 45 × 16 = 720,
36/45 = 36 × 16/45 × 16 = 576/720 - Add the two like fractions:
81/720 + 576/720 = 81 + 576/720 = 657/720 - 657/720 simplified gives 73/80
- So, 9/80 + 36/45 = 73/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80+36/45 9/80+72/45 9/80+36/90 27/80+36/45 45/80+36/45 63/80+36/45