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Add 21/84 and 45/5

1st number: 21/84, 2nd number: 9 0/5

21/84 + 45/5 is 37/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 5 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    21/84 = 21 × 5/84 × 5 = 105/420
  3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
    45/5 = 45 × 84/5 × 84 = 3780/420
  4. Add the two fractions:
    105/420 + 3780/420 = 105 + 3780/420 = 3885/420
  5. After reducing the fraction, the answer is 37/4
  6. In mixed form: 91/4

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