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Add 30/4 and 50/21

1st number: 7 2/4, 2nd number: 2 8/21

30/4 + 50/21 is 415/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    30/4 = 30 × 21/4 × 21 = 630/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    50/21 = 50 × 4/21 × 4 = 200/84
  4. Add the two fractions:
    630/84 + 200/84 = 630 + 200/84 = 830/84
  5. After reducing the fraction, the answer is 415/42
  6. In mixed form: 937/42

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