Add 18/7 and 20/54
1st number: 2 4/7, 2nd number: 20/54
18/7 + 20/54 is 556/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
18/7 = 18 × 54/7 × 54 = 972/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
20/54 = 20 × 7/54 × 7 = 140/378 - Add the two like fractions:
972/378 + 140/378 = 972 + 140/378 = 1112/378 - 1112/378 simplified gives 556/189
- So, 18/7 + 20/54 = 556/189
In mixed form: 2178/189
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