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Add 84/4 and 40/45

1st number: 21 0/4, 2nd number: 40/45

84/4 + 40/45 is 197/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180
  2. For the 1st fraction, since 4 × 45 = 180,
    84/4 = 84 × 45/4 × 45 = 3780/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    40/45 = 40 × 4/45 × 4 = 160/180
  4. Add the two fractions:
    3780/180 + 160/180 = 3780 + 160/180 = 3940/180
  5. After reducing the fraction, the answer is 197/9
  6. In mixed form: 218/9

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