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Add 5/4 and 81/63

1st number: 1 1/4, 2nd number: 1 18/63

5/4 + 81/63 is 71/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 4 × 63 = 252,
    5/4 = 5 × 63/4 × 63 = 315/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    81/63 = 81 × 4/63 × 4 = 324/252
  4. Add the two like fractions:
    315/252 + 324/252 = 315 + 324/252 = 639/252
  5. 639/252 simplified gives 71/28
  6. So, 5/4 + 81/63 = 71/28
    In mixed form: 215/28

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