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Add 36/21 and 12/45

1st number: 1 15/21, 2nd number: 12/45

36/21 + 12/45 is 208/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 21 × 15 = 315,
    36/21 = 36 × 15/21 × 15 = 540/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    12/45 = 12 × 7/45 × 7 = 84/315
  4. Add the two like fractions:
    540/315 + 84/315 = 540 + 84/315 = 624/315
  5. 624/315 simplified gives 208/105
  6. So, 36/21 + 12/45 = 208/105
    In mixed form: 1103/105

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