Add 18/40 and 18/3
1st number: 18/40, 2nd number: 6 0/3
18/40 + 18/3 is 129/20.
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,
18/3 = 18 × 40/3 × 40 = 720/120 - Add the two like fractions:
54/120 + 720/120 = 54 + 720/120 = 774/120 - 774/120 simplified gives 129/20
- So, 18/40 + 18/3 = 129/20
In mixed form: 69/20
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