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Add 63/15 and 90/63

1st number: 4 3/15, 2nd number: 1 27/63

63/15 + 90/63 is 197/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315
  2. For the 1st fraction, since 15 × 21 = 315,
    63/15 = 63 × 21/15 × 21 = 1323/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    90/63 = 90 × 5/63 × 5 = 450/315
  4. Add the two fractions:
    1323/315 + 450/315 = 1323 + 450/315 = 1773/315
  5. After reducing the fraction, the answer is 197/35
  6. In mixed form: 522/35

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