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Add 42/20 and 25/84

1st number: 2 2/20, 2nd number: 25/84

42/20 + 25/84 is 1007/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    42/20 = 42 × 21/20 × 21 = 882/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    25/84 = 25 × 5/84 × 5 = 125/420
  4. Add the two like fractions:
    882/420 + 125/420 = 882 + 125/420 = 1007/420
  5. So, 42/20 + 25/84 = 1007/420
    In mixed form: 2167/420

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