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Add 75/7 and 12/45

1st number: 10 5/7, 2nd number: 12/45

75/7 + 12/45 is 1153/105.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 7 × 45 = 315,
    75/7 = 75 × 45/7 × 45 = 3375/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    12/45 = 12 × 7/45 × 7 = 84/315
  4. Add the two like fractions:
    3375/315 + 84/315 = 3375 + 84/315 = 3459/315
  5. 3459/315 simplified gives 1153/105
  6. So, 75/7 + 12/45 = 1153/105
    In mixed form: 10103/105

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