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Add 18/45 and 12/7

1st number: 18/45, 2nd number: 1 5/7

18/45 + 12/7 is 74/35.

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,
    18/45 = 18 × 7/45 × 7 = 126/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    12/7 = 12 × 45/7 × 45 = 540/315
  4. Add the two like fractions:
    126/315 + 540/315 = 126 + 540/315 = 666/315
  5. 666/315 simplified gives 74/35
  6. So, 18/45 + 12/7 = 74/35
    In mixed form: 24/35

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