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Add 21/56 and 9/5

1st number: 21/56, 2nd number: 1 4/5

21/56 + 9/5 is 87/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 5 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    21/56 = 21 × 5/56 × 5 = 105/280
  3. Likewise, for the 2nd fraction, since 5 × 56 = 280,
    9/5 = 9 × 56/5 × 56 = 504/280
  4. Add the two like fractions:
    105/280 + 504/280 = 105 + 504/280 = 609/280
  5. 609/280 simplified gives 87/40
  6. So, 21/56 + 9/5 = 87/40
    In mixed form: 27/40

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