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Add 35/20 and 21/63

1st number: 1 15/20, 2nd number: 21/63

35/20 + 21/63 is 25/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    35/20 = 35 × 63/20 × 63 = 2205/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    21/63 = 21 × 20/63 × 20 = 420/1260
  4. Add the two fractions:
    2205/1260 + 420/1260 = 2205 + 420/1260 = 2625/1260
  5. After reducing the fraction, the answer is 25/12
  6. In mixed form: 21/12

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