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Add 21/2 and 12/70

1st number: 10 1/2, 2nd number: 12/70

21/2 + 12/70 is 747/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 70 is 70
  2. For the 1st fraction, since 2 × 35 = 70,
    21/2 = 21 × 35/2 × 35 = 735/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    12/70 = 12 × 1/70 × 1 = 12/70
  4. Add the two fractions:
    735/70 + 12/70 = 735 + 12/70 = 747/70
  5. In mixed form: 1047/70

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