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Add 75/10 and 12/4

1st number: 7 5/10, 2nd number: 3 0/4

75/10 + 12/4 is 21/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 4 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 10 × 2 = 20,
    75/10 = 75 × 2/10 × 2 = 150/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    12/4 = 12 × 5/4 × 5 = 60/20
  4. Add the two like fractions:
    150/20 + 60/20 = 150 + 60/20 = 210/20
  5. 210/20 simplified gives 21/2
  6. So, 75/10 + 12/4 = 21/2
    In mixed form: 101/2

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