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Add 15/5 and 90/12

1st number: 3 0/5, 2nd number: 7 6/12

15/5 + 90/12 is 21/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 5 × 12 = 60,
    15/5 = 15 × 12/5 × 12 = 180/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    90/12 = 90 × 5/12 × 5 = 450/60
  4. Add the two like fractions:
    180/60 + 450/60 = 180 + 450/60 = 630/60
  5. 630/60 simplified gives 21/2
  6. So, 15/5 + 90/12 = 21/2
    In mixed form: 101/2

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