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Add 18/72 and 20/32

18/72 + 20/32 is 7/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 32 is 288
  2. For the 1st fraction, since 72 × 4 = 288,
    18/72 = 18 × 4/72 × 4 = 72/288
  3. Likewise, for the 2nd fraction, since 32 × 9 = 288,
    20/32 = 20 × 9/32 × 9 = 180/288
  4. Add the two fractions:
    72/288 + 180/288 = 72 + 180/288 = 252/288
  5. 252/288 simplified gives 7/8
  6. So, 18/72 + 20/32 = 7/8

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