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Add 1/42 and 8/45

1/42 + 8/45 is 127/630.

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,
    1/42 = 1 × 15/42 × 15 = 15/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    8/45 = 8 × 14/45 × 14 = 112/630
  4. Add the two fractions:
    15/630 + 112/630 = 15 + 112/630 = 127/630

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