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Add 42/63 and 75/21

1st number: 42/63, 2nd number: 3 12/21

42/63 + 75/21 is 89/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 21 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 63 × 1 = 63,
    42/63 = 42 × 1/63 × 1 = 42/63
  3. Likewise, for the 2nd fraction, since 21 × 3 = 63,
    75/21 = 75 × 3/21 × 3 = 225/63
  4. Add the two like fractions:
    42/63 + 225/63 = 42 + 225/63 = 267/63
  5. 267/63 simplified gives 89/21
  6. So, 42/63 + 75/21 = 89/21
    In mixed form: 45/21

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