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Add 28/18 and 12/7

1st number: 1 10/18, 2nd number: 1 5/7

28/18 + 12/7 is 206/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 7 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    28/18 = 28 × 7/18 × 7 = 196/126
  3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
    12/7 = 12 × 18/7 × 18 = 216/126
  4. Add the two like fractions:
    196/126 + 216/126 = 196 + 216/126 = 412/126
  5. 412/126 simplified gives 206/63
  6. So, 28/18 + 12/7 = 206/63
    In mixed form: 317/63

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