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Add 5/21 and 45/56

5/21 + 45/56 is 25/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 56 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    5/21 = 5 × 8/21 × 8 = 40/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    45/56 = 45 × 3/56 × 3 = 135/168
  4. Add the two like fractions:
    40/168 + 135/168 = 40 + 135/168 = 175/168
  5. 175/168 simplified gives 25/24
  6. So, 5/21 + 45/56 = 25/24
    In mixed form: 11/24

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