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Add 40/42 and 84/27

1st number: 40/42, 2nd number: 3 3/27

40/42 + 84/27 is 256/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 27 is 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 27 × 14 = 378,
    84/27 = 84 × 14/27 × 14 = 1176/378
  4. Add the two fractions:
    360/378 + 1176/378 = 360 + 1176/378 = 1536/378
  5. After reducing the fraction, the answer is 256/63
  6. In mixed form: 44/63

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