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Add 20/18 and 14/72

1st number: 1 2/18, 2nd number: 14/72

20/18 + 14/72 is 47/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 72 is 72
  2. For the 1st fraction, since 18 × 4 = 72,
    20/18 = 20 × 4/18 × 4 = 80/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    14/72 = 14 × 1/72 × 1 = 14/72
  4. Add the two fractions:
    80/72 + 14/72 = 80 + 14/72 = 94/72
  5. 94/72 simplified gives 47/36
  6. So, 20/18 + 14/72 = 47/36
    In mixed form: 111/36

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