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Add 18/42 and 21/32

18/42 + 21/32 is 243/224.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 32 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 42 × 16 = 672,
    18/42 = 18 × 16/42 × 16 = 288/672
  3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
    21/32 = 21 × 21/32 × 21 = 441/672
  4. Add the two like fractions:
    288/672 + 441/672 = 288 + 441/672 = 729/672
  5. 729/672 simplified gives 243/224
  6. So, 18/42 + 21/32 = 243/224
    In mixed form: 119/224

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