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Add 40/42 and 9/54

40/42 + 9/54 is 47/42.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 42 × 9 = 378,
    40/42 = 40 × 9/42 × 9 = 360/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    9/54 = 9 × 7/54 × 7 = 63/378
  4. Add the two like fractions:
    360/378 + 63/378 = 360 + 63/378 = 423/378
  5. 423/378 simplified gives 47/42
  6. So, 40/42 + 9/54 = 47/42
    In mixed form: 15/42

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