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Add 81/14 and 42/40

1st number: 5 11/14, 2nd number: 1 2/40

81/14 + 42/40 is 957/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 14 × 20 = 280,
    81/14 = 81 × 20/14 × 20 = 1620/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    42/40 = 42 × 7/40 × 7 = 294/280
  4. Add the two like fractions:
    1620/280 + 294/280 = 1620 + 294/280 = 1914/280
  5. 1914/280 simplified gives 957/140
  6. So, 81/14 + 42/40 = 957/140
    In mixed form: 6117/140

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