Add 45/3 and 36/72
1st number: 15 0/3, 2nd number: 36/72
45/3 + 36/72 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
45/3 = 45 × 24/3 × 24 = 1080/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
36/72 = 36 × 1/72 × 1 = 36/72 - Add the two like fractions:
1080/72 + 36/72 = 1080 + 36/72 = 1116/72 - 1116/72 simplified gives 31/2
- So, 45/3 + 36/72 = 31/2
In mixed form: 151/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+36/72 45/6+36/72 45/9+36/72 45/15+36/72 45/21+36/72