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Add 21/42 and 48/4

1st number: 21/42, 2nd number: 12 0/4

21/42 + 48/4 is 25/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 4 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    21/42 = 21 × 2/42 × 2 = 42/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    48/4 = 48 × 21/4 × 21 = 1008/84
  4. Add the two like fractions:
    42/84 + 1008/84 = 42 + 1008/84 = 1050/84
  5. 1050/84 simplified gives 25/2
  6. So, 21/42 + 48/4 = 25/2
    In mixed form: 121/2

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