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Add 3/2 and 21/90

1st number: 1 1/2, 2nd number: 21/90

3/2 + 21/90 is 26/15.

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,
    3/2 = 3 × 45/2 × 45 = 135/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    21/90 = 21 × 1/90 × 1 = 21/90
  4. Add the two fractions:
    135/90 + 21/90 = 135 + 21/90 = 156/90
  5. After reducing the fraction, the answer is 26/15
  6. In mixed form: 111/15

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