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Add 35/40 and 20/28

35/40 + 20/28 is 89/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 28 is 280
  2. For the 1st fraction, since 40 × 7 = 280,
    35/40 = 35 × 7/40 × 7 = 245/280
  3. Likewise, for the 2nd fraction, since 28 × 10 = 280,
    20/28 = 20 × 10/28 × 10 = 200/280
  4. Add the two fractions:
    245/280 + 200/280 = 245 + 200/280 = 445/280
  5. 445/280 simplified gives 89/56
  6. So, 35/40 + 20/28 = 89/56
    In mixed form: 133/56

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