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Add 21/18 and 63/16

1st number: 1 3/18, 2nd number: 3 15/16

21/18 + 63/16 is 245/48.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 16 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 18 × 8 = 144,
    21/18 = 21 × 8/18 × 8 = 168/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    63/16 = 63 × 9/16 × 9 = 567/144
  4. Add the two like fractions:
    168/144 + 567/144 = 168 + 567/144 = 735/144
  5. 735/144 simplified gives 245/48
  6. So, 21/18 + 63/16 = 245/48
    In mixed form: 55/48

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