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Add 30/4 and 20/81

1st number: 7 2/4, 2nd number: 20/81

30/4 + 20/81 is 1255/162.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 81 is 324
  2. For the 1st fraction, since 4 × 81 = 324,
    30/4 = 30 × 81/4 × 81 = 2430/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    20/81 = 20 × 4/81 × 4 = 80/324
  4. Add the two fractions:
    2430/324 + 80/324 = 2430 + 80/324 = 2510/324
  5. After reducing the fraction, the answer is 1255/162
  6. In mixed form: 7121/162

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