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Add 40/84 and 18/72

40/84 + 18/72 is 61/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 72 is 504
  2. For the 1st fraction, since 84 × 6 = 504,
    40/84 = 40 × 6/84 × 6 = 240/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    18/72 = 18 × 7/72 × 7 = 126/504
  4. Add the two fractions:
    240/504 + 126/504 = 240 + 126/504 = 366/504
  5. 366/504 simplified gives 61/84
  6. So, 40/84 + 18/72 = 61/84

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