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Add 18/84 and 30/32

18/84 + 30/32 is 129/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 32 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 84 × 8 = 672,
    18/84 = 18 × 8/84 × 8 = 144/672
  3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
    30/32 = 30 × 21/32 × 21 = 630/672
  4. Add the two like fractions:
    144/672 + 630/672 = 144 + 630/672 = 774/672
  5. 774/672 simplified gives 129/112
  6. So, 18/84 + 30/32 = 129/112
    In mixed form: 117/112

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