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Add 56/70 and 20/28

56/70 + 20/28 is 53/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 28 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    56/70 = 56 × 2/70 × 2 = 112/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    20/28 = 20 × 5/28 × 5 = 100/140
  4. Add the two fractions:
    112/140 + 100/140 = 112 + 100/140 = 212/140
  5. After reducing the fraction, the answer is 53/35
  6. In mixed form: 118/35

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