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Add 90/7 and 9/10

1st number: 12 6/7, 2nd number: 9/10

90/7 + 9/10 is 963/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 10 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 7 × 10 = 70,
    90/7 = 90 × 10/7 × 10 = 900/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    9/10 = 9 × 7/10 × 7 = 63/70
  4. Add the two like fractions:
    900/70 + 63/70 = 900 + 63/70 = 963/70
  5. So, 90/7 + 9/10 = 963/70
    In mixed form: 1353/70

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