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Add 42/20 and 18/42

1st number: 2 2/20, 2nd number: 18/42

42/20 + 18/42 is 177/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 42 is 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 42 × 10 = 420,
    18/42 = 18 × 10/42 × 10 = 180/420
  4. Add the two fractions:
    882/420 + 180/420 = 882 + 180/420 = 1062/420
  5. 1062/420 simplified gives 177/70
  6. So, 42/20 + 18/42 = 177/70
    In mixed form: 237/70

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