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Add 63/21 and 30/4

1st number: 3 0/21, 2nd number: 7 2/4

63/21 + 30/4 is 21/2.

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,
    63/21 = 63 × 4/21 × 4 = 252/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    30/4 = 30 × 21/4 × 21 = 630/84
  4. Add the two like fractions:
    252/84 + 630/84 = 252 + 630/84 = 882/84
  5. 882/84 simplified gives 21/2
  6. So, 63/21 + 30/4 = 21/2
    In mixed form: 101/2

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