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Add 20/18 and 7/63

1st number: 1 2/18, 2nd number: 7/63

20/18 + 7/63 is 11/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 63 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    20/18 = 20 × 7/18 × 7 = 140/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    7/63 = 7 × 2/63 × 2 = 14/126
  4. Add the two like fractions:
    140/126 + 14/126 = 140 + 14/126 = 154/126
  5. 154/126 simplified gives 11/9
  6. So, 20/18 + 7/63 = 11/9
    In mixed form: 12/9

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