Add 10/18 and 45/40
1st number: 10/18, 2nd number: 1 5/40
10/18 + 45/40 is 121/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
10/18 = 10 × 20/18 × 20 = 200/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
45/40 = 45 × 9/40 × 9 = 405/360 - Add the two like fractions:
200/360 + 405/360 = 200 + 405/360 = 605/360 - 605/360 simplified gives 121/72
- So, 10/18 + 45/40 = 121/72
In mixed form: 149/72
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