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Add 84/4 and 40/63

1st number: 21 0/4, 2nd number: 40/63

84/4 + 40/63 is 1363/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 63 is 252
  2. For the 1st fraction, since 4 × 63 = 252,
    84/4 = 84 × 63/4 × 63 = 5292/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    40/63 = 40 × 4/63 × 4 = 160/252
  4. Add the two fractions:
    5292/252 + 160/252 = 5292 + 160/252 = 5452/252
  5. 5452/252 simplified gives 1363/63
  6. So, 84/4 + 40/63 = 1363/63
    In mixed form: 2140/63

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