Add 18/40 and 27/3
1st number: 18/40, 2nd number: 9 0/3
18/40 + 27/3 is 189/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 3 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Likewise, for the 2nd fraction, since 3 × 40 = 120,
27/3 = 27 × 40/3 × 40 = 1080/120 - Add the two like fractions:
54/120 + 1080/120 = 54 + 1080/120 = 1134/120 - 1134/120 simplified gives 189/20
- So, 18/40 + 27/3 = 189/20
In mixed form: 99/20
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