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Add 4/45 and 16/42

4/45 + 16/42 is 148/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    4/45 = 4 × 14/45 × 14 = 56/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    16/42 = 16 × 15/42 × 15 = 240/630
  4. Add the two like fractions:
    56/630 + 240/630 = 56 + 240/630 = 296/630
  5. 296/630 simplified gives 148/315
  6. So, 4/45 + 16/42 = 148/315

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