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Add 42/2 and 75/10

1st number: 21 0/2, 2nd number: 7 5/10

42/2 + 75/10 is 57/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 10 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 2 × 5 = 10,
    42/2 = 42 × 5/2 × 5 = 210/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    75/10 = 75 × 1/10 × 1 = 75/10
  4. Add the two like fractions:
    210/10 + 75/10 = 210 + 75/10 = 285/10
  5. 285/10 simplified gives 57/2
  6. So, 42/2 + 75/10 = 57/2
    In mixed form: 281/2

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