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Add 40/60 and 15/42

40/60 + 15/42 is 43/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 42 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    40/60 = 40 × 7/60 × 7 = 280/420
  3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
    15/42 = 15 × 10/42 × 10 = 150/420
  4. Add the two like fractions:
    280/420 + 150/420 = 280 + 150/420 = 430/420
  5. 430/420 simplified gives 43/42
  6. So, 40/60 + 15/42 = 43/42
    In mixed form: 11/42

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