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Add 18/56 and 21/36

18/56 + 21/36 is 19/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 36 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    18/56 = 18 × 9/56 × 9 = 162/504
  3. Likewise, for the 2nd fraction, since 36 × 14 = 504,
    21/36 = 21 × 14/36 × 14 = 294/504
  4. Add the two like fractions:
    162/504 + 294/504 = 162 + 294/504 = 456/504
  5. 456/504 simplified gives 19/21
  6. So, 18/56 + 21/36 = 19/21

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