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Add 15/4 and 21/63

1st number: 3 3/4, 2nd number: 21/63

15/4 + 21/63 is 49/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 63 is 252
  2. For the 1st fraction, since 4 × 63 = 252,
    15/4 = 15 × 63/4 × 63 = 945/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    21/63 = 21 × 4/63 × 4 = 84/252
  4. Add the two fractions:
    945/252 + 84/252 = 945 + 84/252 = 1029/252
  5. After reducing the fraction, the answer is 49/12
  6. In mixed form: 41/12

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