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Add 16/90 and 18/70

16/90 + 18/70 is 137/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    16/90 = 16 × 7/90 × 7 = 112/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    18/70 = 18 × 9/70 × 9 = 162/630
  4. Add the two like fractions:
    112/630 + 162/630 = 112 + 162/630 = 274/630
  5. 274/630 simplified gives 137/315
  6. So, 16/90 + 18/70 = 137/315

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