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Add 3/4 and 63/90

3/4 + 63/90 is 29/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180
  2. For the 1st fraction, since 4 × 45 = 180,
    3/4 = 3 × 45/4 × 45 = 135/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    63/90 = 63 × 2/90 × 2 = 126/180
  4. Add the two fractions:
    135/180 + 126/180 = 135 + 126/180 = 261/180
  5. After reducing the fraction, the answer is 29/20
  6. In mixed form: 19/20

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