Add 2/45 and 36/80
2/45 + 36/80 is 89/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
2/45 = 2 × 16/45 × 16 = 32/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
36/80 = 36 × 9/80 × 9 = 324/720 - Add the two like fractions:
32/720 + 324/720 = 32 + 324/720 = 356/720 - 356/720 simplified gives 89/180
- So, 2/45 + 36/80 = 89/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45+36/80 2/45+72/80 2/90+36/80 6/45+36/80 10/45+36/80 14/45+36/80