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Add 15/2 and 63/90

1st number: 7 1/2, 2nd number: 63/90

15/2 + 63/90 is 41/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 90 is 90
  2. For the 1st fraction, since 2 × 45 = 90,
    15/2 = 15 × 45/2 × 45 = 675/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    63/90 = 63 × 1/90 × 1 = 63/90
  4. Add the two fractions:
    675/90 + 63/90 = 675 + 63/90 = 738/90
  5. After reducing the fraction, the answer is 41/5
  6. In mixed form: 81/5

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