Add 54/3 and 18/42
1st number: 18 0/3, 2nd number: 18/42
54/3 + 18/42 is 129/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
54/3 = 54 × 14/3 × 14 = 756/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
18/42 = 18 × 1/42 × 1 = 18/42 - Add the two like fractions:
756/42 + 18/42 = 756 + 18/42 = 774/42 - 774/42 simplified gives 129/7
- So, 54/3 + 18/42 = 129/7
In mixed form: 183/7
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