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Add 40/12 and 63/90

1st number: 3 4/12, 2nd number: 63/90

40/12 + 63/90 is 121/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180
  2. For the 1st fraction, since 12 × 15 = 180,
    40/12 = 40 × 15/12 × 15 = 600/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    63/90 = 63 × 2/90 × 2 = 126/180
  4. Add the two fractions:
    600/180 + 126/180 = 600 + 126/180 = 726/180
  5. After reducing the fraction, the answer is 121/30
  6. In mixed form: 41/30

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