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Add 15/42 and 5/45

15/42 + 5/45 is 59/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 45 is 630
  2. For the 1st fraction, since 42 × 15 = 630,
    15/42 = 15 × 15/42 × 15 = 225/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    5/45 = 5 × 14/45 × 14 = 70/630
  4. Add the two fractions:
    225/630 + 70/630 = 225 + 70/630 = 295/630
  5. After reducing the fraction, the answer is 59/126

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