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Add 3/90 and 5/70

3/90 + 5/70 is 11/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    3/90 = 3 × 7/90 × 7 = 21/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    5/70 = 5 × 9/70 × 9 = 45/630
  4. Add the two fractions:
    21/630 + 45/630 = 21 + 45/630 = 66/630
  5. 66/630 simplified gives 11/105
  6. So, 3/90 + 5/70 = 11/105

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