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Add 20/18 and 32/21

1st number: 1 2/18, 2nd number: 1 11/21

20/18 + 32/21 is 166/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 21 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    20/18 = 20 × 7/18 × 7 = 140/126
  3. Likewise, for the 2nd fraction, since 21 × 6 = 126,
    32/21 = 32 × 6/21 × 6 = 192/126
  4. Add the two like fractions:
    140/126 + 192/126 = 140 + 192/126 = 332/126
  5. 332/126 simplified gives 166/63
  6. So, 20/18 + 32/21 = 166/63
    In mixed form: 240/63

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