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Add 36/42 and 20/54

36/42 + 20/54 is 232/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 54 is 378
  2. For the 1st fraction, since 42 × 9 = 378,
    36/42 = 36 × 9/42 × 9 = 324/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    20/54 = 20 × 7/54 × 7 = 140/378
  4. Add the two fractions:
    324/378 + 140/378 = 324 + 140/378 = 464/378
  5. After reducing the fraction, the answer is 232/189
  6. In mixed form: 143/189

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