Add 45/80 and 1/36
45/80 + 1/36 is 85/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
45/80 = 45 × 9/80 × 9 = 405/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
1/36 = 1 × 20/36 × 20 = 20/720 - Add the two like fractions:
405/720 + 20/720 = 405 + 20/720 = 425/720 - 425/720 simplified gives 85/144
- So, 45/80 + 1/36 = 85/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+1/36 45/80+2/36 45/80+1/72 45/80+3/36 45/80+5/36 45/80+7/36