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Add 40/54 and 8/42

40/54 + 8/42 is 176/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 42 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    40/54 = 40 × 7/54 × 7 = 280/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    8/42 = 8 × 9/42 × 9 = 72/378
  4. Add the two like fractions:
    280/378 + 72/378 = 280 + 72/378 = 352/378
  5. 352/378 simplified gives 176/189
  6. So, 40/54 + 8/42 = 176/189

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