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Add 21/5 and 63/64

1st number: 4 1/5, 2nd number: 63/64

21/5 + 63/64 is 1659/320.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 5 × 64 = 320,
    21/5 = 21 × 64/5 × 64 = 1344/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    63/64 = 63 × 5/64 × 5 = 315/320
  4. Add the two like fractions:
    1344/320 + 315/320 = 1344 + 315/320 = 1659/320
  5. So, 21/5 + 63/64 = 1659/320
    In mixed form: 559/320

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