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Add 7/2 and 42/20

1st number: 3 1/2, 2nd number: 2 2/20

7/2 + 42/20 is 28/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 2 × 10 = 20,
    7/2 = 7 × 10/2 × 10 = 70/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    42/20 = 42 × 1/20 × 1 = 42/20
  4. Add the two like fractions:
    70/20 + 42/20 = 70 + 42/20 = 112/20
  5. 112/20 simplified gives 28/5
  6. So, 7/2 + 42/20 = 28/5
    In mixed form: 53/5

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