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Add 20/54 and 56/63

20/54 + 56/63 is 34/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 63 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    20/54 = 20 × 7/54 × 7 = 140/378
  3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
    56/63 = 56 × 6/63 × 6 = 336/378
  4. Add the two like fractions:
    140/378 + 336/378 = 140 + 336/378 = 476/378
  5. 476/378 simplified gives 34/27
  6. So, 20/54 + 56/63 = 34/27
    In mixed form: 17/27

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