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Add 9/90 and 6/70

9/90 + 6/70 is 13/70.

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,
    9/90 = 9 × 7/90 × 7 = 63/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    6/70 = 6 × 9/70 × 9 = 54/630
  4. Add the two fractions:
    63/630 + 54/630 = 63 + 54/630 = 117/630
  5. After reducing the fraction, the answer is 13/70

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