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Add 90/2 and 21/12

1st number: 45 0/2, 2nd number: 1 9/12

90/2 + 21/12 is 187/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 12 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 2 × 6 = 12,
    90/2 = 90 × 6/2 × 6 = 540/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    21/12 = 21 × 1/12 × 1 = 21/12
  4. Add the two like fractions:
    540/12 + 21/12 = 540 + 21/12 = 561/12
  5. 561/12 simplified gives 187/4
  6. So, 90/2 + 21/12 = 187/4
    In mixed form: 463/4

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