Add 45/15 and 56/36
1st number: 3 0/15, 2nd number: 1 20/36
45/15 + 56/36 is 41/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
45/15 = 45 × 12/15 × 12 = 540/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
56/36 = 56 × 5/36 × 5 = 280/180 - Add the two like fractions:
540/180 + 280/180 = 540 + 280/180 = 820/180 - 820/180 simplified gives 41/9
- So, 45/15 + 56/36 = 41/9
In mixed form: 45/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+56/36 45/30+56/36 45/15+56/72 45/75+56/36