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Add 54/63 and 6/20

54/63 + 6/20 is 81/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 20 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 63 × 20 = 1260,
    54/63 = 54 × 20/63 × 20 = 1080/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    6/20 = 6 × 63/20 × 63 = 378/1260
  4. Add the two like fractions:
    1080/1260 + 378/1260 = 1080 + 378/1260 = 1458/1260
  5. 1458/1260 simplified gives 81/70
  6. So, 54/63 + 6/20 = 81/70
    In mixed form: 111/70

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