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Add 21/16 and 4/63

1st number: 1 5/16, 2nd number: 4/63

21/16 + 4/63 is 1387/1008.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 63 is 1008
  2. For the 1st fraction, since 16 × 63 = 1008,
    21/16 = 21 × 63/16 × 63 = 1323/1008
  3. Likewise, for the 2nd fraction, since 63 × 16 = 1008,
    4/63 = 4 × 16/63 × 16 = 64/1008
  4. Add the two fractions:
    1323/1008 + 64/1008 = 1323 + 64/1008 = 1387/1008
  5. In mixed form: 1379/1008

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