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Add 12/32 and 84/21

1st number: 12/32, 2nd number: 4 0/21

12/32 + 84/21 is 35/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 21 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 32 × 21 = 672,
    12/32 = 12 × 21/32 × 21 = 252/672
  3. Likewise, for the 2nd fraction, since 21 × 32 = 672,
    84/21 = 84 × 32/21 × 32 = 2688/672
  4. Add the two like fractions:
    252/672 + 2688/672 = 252 + 2688/672 = 2940/672
  5. 2940/672 simplified gives 35/8
  6. So, 12/32 + 84/21 = 35/8
    In mixed form: 43/8

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