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Add 21/2 and 30/70

1st number: 10 1/2, 2nd number: 30/70

21/2 + 30/70 is 153/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 70 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    30/70 = 30 × 1/70 × 1 = 30/70
  4. Add the two like fractions:
    735/70 + 30/70 = 735 + 30/70 = 765/70
  5. 765/70 simplified gives 153/14
  6. So, 21/2 + 30/70 = 153/14
    In mixed form: 1013/14

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