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Add 45/48 and 21/56

45/48 + 21/56 is 21/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 56 is 336
  2. For the 1st fraction, since 48 × 7 = 336,
    45/48 = 45 × 7/48 × 7 = 315/336
  3. Likewise, for the 2nd fraction, since 56 × 6 = 336,
    21/56 = 21 × 6/56 × 6 = 126/336
  4. Add the two fractions:
    315/336 + 126/336 = 315 + 126/336 = 441/336
  5. After reducing the fraction, the answer is 21/16
  6. In mixed form: 15/16

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