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Add 4/42 and 1/40

4/42 + 1/40 is 101/840.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 40 is 840
  2. For the 1st fraction, since 42 × 20 = 840,
    4/42 = 4 × 20/42 × 20 = 80/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    1/40 = 1 × 21/40 × 21 = 21/840
  4. Add the two fractions:
    80/840 + 21/840 = 80 + 21/840 = 101/840

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