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Add 63/36 and 42/20

1st number: 1 27/36, 2nd number: 2 2/20

63/36 + 42/20 is 77/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    63/36 = 63 × 5/36 × 5 = 315/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    42/20 = 42 × 9/20 × 9 = 378/180
  4. Add the two like fractions:
    315/180 + 378/180 = 315 + 378/180 = 693/180
  5. 693/180 simplified gives 77/20
  6. So, 63/36 + 42/20 = 77/20
    In mixed form: 317/20

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