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Add 21/18 and 21/64

1st number: 1 3/18, 2nd number: 21/64

21/18 + 21/64 is 287/192.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 64 is 576

    Next, find the equivalent fraction of both fractional numbers with denominator 576
  2. For the 1st fraction, since 18 × 32 = 576,
    21/18 = 21 × 32/18 × 32 = 672/576
  3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
    21/64 = 21 × 9/64 × 9 = 189/576
  4. Add the two like fractions:
    672/576 + 189/576 = 672 + 189/576 = 861/576
  5. 861/576 simplified gives 287/192
  6. So, 21/18 + 21/64 = 287/192
    In mixed form: 195/192

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