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Add 42/21 and 42/4

1st number: 2 0/21, 2nd number: 10 2/4

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

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 4 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    42/21 = 42 × 4/21 × 4 = 168/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    42/4 = 42 × 21/4 × 21 = 882/84
  4. Add the two like fractions:
    168/84 + 882/84 = 168 + 882/84 = 1050/84
  5. 1050/84 simplified gives 25/2
  6. So, 42/21 + 42/4 = 25/2
    In mixed form: 121/2

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