Add 20/54 and 12/7
1st number: 20/54, 2nd number: 1 5/7
20/54 + 12/7 is 394/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
20/54 = 20 × 7/54 × 7 = 140/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
12/7 = 12 × 54/7 × 54 = 648/378 - Add the two like fractions:
140/378 + 648/378 = 140 + 648/378 = 788/378 - 788/378 simplified gives 394/189
- So, 20/54 + 12/7 = 394/189
In mixed form: 216/189
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