Add 36/80 and 15/45
36/80 + 15/45 is 47/60.
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,
36/80 = 36 × 9/80 × 9 = 324/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
15/45 = 15 × 16/45 × 16 = 240/720 - Add the two like fractions:
324/720 + 240/720 = 324 + 240/720 = 564/720 - 564/720 simplified gives 47/60
- So, 36/80 + 15/45 = 47/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/80+15/45 36/80+30/45 36/80+15/90 36/80+75/45