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Add 21/4 and 75/56

1st number: 5 1/4, 2nd number: 1 19/56

21/4 + 75/56 is 369/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 56 is 56
  2. For the 1st fraction, since 4 × 14 = 56,
    21/4 = 21 × 14/4 × 14 = 294/56
  3. Likewise, for the 2nd fraction, since 56 × 1 = 56,
    75/56 = 75 × 1/56 × 1 = 75/56
  4. Add the two fractions:
    294/56 + 75/56 = 294 + 75/56 = 369/56
  5. In mixed form: 633/56

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