Add 18/42 and 54/7
1st number: 18/42, 2nd number: 7 5/7
18/42 + 54/7 is 57/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
18/42 = 18 × 1/42 × 1 = 18/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
54/7 = 54 × 6/7 × 6 = 324/42 - Add the two like fractions:
18/42 + 324/42 = 18 + 324/42 = 342/42 - 342/42 simplified gives 57/7
- So, 18/42 + 54/7 = 57/7
In mixed form: 81/7
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