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Add 8/4 and 15/21

1st number: 2 0/4, 2nd number: 15/21

8/4 + 15/21 is 19/7.

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,
    8/4 = 8 × 21/4 × 21 = 168/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    15/21 = 15 × 4/21 × 4 = 60/84
  4. Add the two fractions:
    168/84 + 60/84 = 168 + 60/84 = 228/84
  5. After reducing the fraction, the answer is 19/7
  6. In mixed form: 25/7

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