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Add 4/7 and 8/90

4/7 + 8/90 is 208/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630
  2. For the 1st fraction, since 7 × 90 = 630,
    4/7 = 4 × 90/7 × 90 = 360/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    8/90 = 8 × 7/90 × 7 = 56/630
  4. Add the two fractions:
    360/630 + 56/630 = 360 + 56/630 = 416/630
  5. After reducing the fraction, the answer is 208/315

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