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Add 21/2 and 75/63

1st number: 10 1/2, 2nd number: 1 12/63

21/2 + 75/63 is 491/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 63 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 2 × 63 = 126,
    21/2 = 21 × 63/2 × 63 = 1323/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    75/63 = 75 × 2/63 × 2 = 150/126
  4. Add the two like fractions:
    1323/126 + 150/126 = 1323 + 150/126 = 1473/126
  5. 1473/126 simplified gives 491/42
  6. So, 21/2 + 75/63 = 491/42
    In mixed form: 1129/42

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