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Add 16/18 and 54/70

16/18 + 54/70 is 523/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 70 is 630
  2. For the 1st fraction, since 18 × 35 = 630,
    16/18 = 16 × 35/18 × 35 = 560/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    54/70 = 54 × 9/70 × 9 = 486/630
  4. Add the two fractions:
    560/630 + 486/630 = 560 + 486/630 = 1046/630
  5. After reducing the fraction, the answer is 523/315
  6. In mixed form: 1208/315

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