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Add 84/21 and 6/63

1st number: 4 0/21, 2nd number: 6/63

84/21 + 6/63 is 86/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 63 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 21 × 3 = 63,
    84/21 = 84 × 3/21 × 3 = 252/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    6/63 = 6 × 1/63 × 1 = 6/63
  4. Add the two like fractions:
    252/63 + 6/63 = 252 + 6/63 = 258/63
  5. 258/63 simplified gives 86/21
  6. So, 84/21 + 6/63 = 86/21
    In mixed form: 42/21

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