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Add 18/21 and 30/32

18/21 + 30/32 is 201/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 32 is 672
  2. For the 1st fraction, since 21 × 32 = 672,
    18/21 = 18 × 32/21 × 32 = 576/672
  3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
    30/32 = 30 × 21/32 × 21 = 630/672
  4. Add the two fractions:
    576/672 + 630/672 = 576 + 630/672 = 1206/672
  5. After reducing the fraction, the answer is 201/112
  6. In mixed form: 189/112

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