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Add 4/42 and 14/80

4/42 + 14/80 is 227/840.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 80 is 1680
  2. For the 1st fraction, since 42 × 40 = 1680,
    4/42 = 4 × 40/42 × 40 = 160/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    14/80 = 14 × 21/80 × 21 = 294/1680
  4. Add the two fractions:
    160/1680 + 294/1680 = 160 + 294/1680 = 454/1680
  5. After reducing the fraction, the answer is 227/840

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