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Add 64/5 and 70/8

1st number: 12 4/5, 2nd number: 8 6/8

64/5 + 70/8 is 431/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 5 × 8 = 40,
    64/5 = 64 × 8/5 × 8 = 512/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    70/8 = 70 × 5/8 × 5 = 350/40
  4. Add the two like fractions:
    512/40 + 350/40 = 512 + 350/40 = 862/40
  5. 862/40 simplified gives 431/20
  6. So, 64/5 + 70/8 = 431/20
    In mixed form: 2111/20

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