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Add 16/42 and 1/90

16/42 + 1/90 is 247/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 42 × 15 = 630,
    16/42 = 16 × 15/42 × 15 = 240/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    1/90 = 1 × 7/90 × 7 = 7/630
  4. Add the two like fractions:
    240/630 + 7/630 = 240 + 7/630 = 247/630
  5. So, 16/42 + 1/90 = 247/630

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