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Add 75/45 and 12/7

1st number: 1 30/45, 2nd number: 1 5/7

75/45 + 12/7 is 71/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 7 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    75/45 = 75 × 7/45 × 7 = 525/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    12/7 = 12 × 45/7 × 45 = 540/315
  4. Add the two like fractions:
    525/315 + 540/315 = 525 + 540/315 = 1065/315
  5. 1065/315 simplified gives 71/21
  6. So, 75/45 + 12/7 = 71/21
    In mixed form: 38/21

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