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Add 7/2 and 35/20

1st number: 3 1/2, 2nd number: 1 15/20

7/2 + 35/20 is 21/4.

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,
    35/20 = 35 × 1/20 × 1 = 35/20
  4. Add the two like fractions:
    70/20 + 35/20 = 70 + 35/20 = 105/20
  5. 105/20 simplified gives 21/4
  6. So, 7/2 + 35/20 = 21/4
    In mixed form: 51/4

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