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Add 42/24 and 21/84

1st number: 1 18/24, 2nd number: 21/84

42/24 + 21/84 is 2/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 84 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 24 × 7 = 168,
    42/24 = 42 × 7/24 × 7 = 294/168
  3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
    21/84 = 21 × 2/84 × 2 = 42/168
  4. Add the two like fractions:
    294/168 + 42/168 = 294 + 42/168 = 336/168
  5. 336/168 simplified gives 2/1
  6. So, 42/24 + 21/84 = 2/1

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