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Add 1/40 and 9/84

1/40 + 9/84 is 37/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 84 is 840
  2. For the 1st fraction, since 40 × 21 = 840,
    1/40 = 1 × 21/40 × 21 = 21/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    9/84 = 9 × 10/84 × 10 = 90/840
  4. Add the two fractions:
    21/840 + 90/840 = 21 + 90/840 = 111/840
  5. After reducing the fraction, the answer is 37/280

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