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Add 21/56 and 90/35

1st number: 21/56, 2nd number: 2 20/35

21/56 + 90/35 is 165/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 35 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 35 × 8 = 280,
    90/35 = 90 × 8/35 × 8 = 720/280
  4. Add the two like fractions:
    105/280 + 720/280 = 105 + 720/280 = 825/280
  5. 825/280 simplified gives 165/56
  6. So, 21/56 + 90/35 = 165/56
    In mixed form: 253/56

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