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Add 21/63 and 42/24

1st number: 21/63, 2nd number: 1 18/24

21/63 + 42/24 is 25/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 24 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 63 × 8 = 504,
    21/63 = 21 × 8/63 × 8 = 168/504
  3. Likewise, for the 2nd fraction, since 24 × 21 = 504,
    42/24 = 42 × 21/24 × 21 = 882/504
  4. Add the two like fractions:
    168/504 + 882/504 = 168 + 882/504 = 1050/504
  5. 1050/504 simplified gives 25/12
  6. So, 21/63 + 42/24 = 25/12
    In mixed form: 21/12

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