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Add 5/7 and 4/10

5/7 + 4/10 is 39/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 10 is 70
  2. For the 1st fraction, since 7 × 10 = 70,
    5/7 = 5 × 10/7 × 10 = 50/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    4/10 = 4 × 7/10 × 7 = 28/70
  4. Add the two fractions:
    50/70 + 28/70 = 50 + 28/70 = 78/70
  5. After reducing the fraction, the answer is 39/35
  6. In mixed form: 14/35

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