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Add 3/35 and 20/90

3/35 + 20/90 is 97/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630
  2. For the 1st fraction, since 35 × 18 = 630,
    3/35 = 3 × 18/35 × 18 = 54/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    20/90 = 20 × 7/90 × 7 = 140/630
  4. Add the two fractions:
    54/630 + 140/630 = 54 + 140/630 = 194/630
  5. 194/630 simplified gives 97/315
  6. So, 3/35 + 20/90 = 97/315

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