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Add 16/45 and 63/42

1st number: 16/45, 2nd number: 1 21/42

16/45 + 63/42 is 167/90.

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,
    16/45 = 16 × 14/45 × 14 = 224/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    63/42 = 63 × 15/42 × 15 = 945/630
  4. Add the two like fractions:
    224/630 + 945/630 = 224 + 945/630 = 1169/630
  5. 1169/630 simplified gives 167/90
  6. So, 16/45 + 63/42 = 167/90
    In mixed form: 177/90

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