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Add 3/8 and 40/70

3/8 + 40/70 is 53/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 70 is 280
  2. For the 1st fraction, since 8 × 35 = 280,
    3/8 = 3 × 35/8 × 35 = 105/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    40/70 = 40 × 4/70 × 4 = 160/280
  4. Add the two fractions:
    105/280 + 160/280 = 105 + 160/280 = 265/280
  5. After reducing the fraction, the answer is 53/56

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