Add 45/20 and 20/18
1st number: 2 5/20, 2nd number: 1 2/18
45/20 + 20/18 is 121/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
45/20 = 45 × 9/20 × 9 = 405/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
20/18 = 20 × 10/18 × 10 = 200/180 - Add the two like fractions:
405/180 + 200/180 = 405 + 200/180 = 605/180 - 605/180 simplified gives 121/36
- So, 45/20 + 20/18 = 121/36
In mixed form: 313/36
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