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Add 98/8 and 9/15

1st number: 12 2/8, 2nd number: 9/15

98/8 + 9/15 is 257/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 15 is 120
  2. For the 1st fraction, since 8 × 15 = 120,
    98/8 = 98 × 15/8 × 15 = 1470/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    9/15 = 9 × 8/15 × 8 = 72/120
  4. Add the two fractions:
    1470/120 + 72/120 = 1470 + 72/120 = 1542/120
  5. After reducing the fraction, the answer is 257/20
  6. In mixed form: 1217/20

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