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Add 10/42 and 16/45

10/42 + 16/45 is 187/315.

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,
    10/42 = 10 × 15/42 × 15 = 150/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    16/45 = 16 × 14/45 × 14 = 224/630
  4. Add the two fractions:
    150/630 + 224/630 = 150 + 224/630 = 374/630
  5. After reducing the fraction, the answer is 187/315

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