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Add 25/16 and 21/63

1st number: 1 9/16, 2nd number: 21/63

25/16 + 21/63 is 91/48.

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,
    25/16 = 25 × 63/16 × 63 = 1575/1008
  3. Likewise, for the 2nd fraction, since 63 × 16 = 1008,
    21/63 = 21 × 16/63 × 16 = 336/1008
  4. Add the two fractions:
    1575/1008 + 336/1008 = 1575 + 336/1008 = 1911/1008
  5. After reducing the fraction, the answer is 91/48
  6. In mixed form: 143/48

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