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Add 21/4 and 75/28

1st number: 5 1/4, 2nd number: 2 19/28

21/4 + 75/28 is 111/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 28 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    21/4 = 21 × 7/4 × 7 = 147/28
  3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
    75/28 = 75 × 1/28 × 1 = 75/28
  4. Add the two like fractions:
    147/28 + 75/28 = 147 + 75/28 = 222/28
  5. 222/28 simplified gives 111/14
  6. So, 21/4 + 75/28 = 111/14
    In mixed form: 713/14

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