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Add 8/70 and 56/80

8/70 + 56/80 is 57/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 70 × 8 = 560,
    8/70 = 8 × 8/70 × 8 = 64/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    56/80 = 56 × 7/80 × 7 = 392/560
  4. Add the two like fractions:
    64/560 + 392/560 = 64 + 392/560 = 456/560
  5. 456/560 simplified gives 57/70
  6. So, 8/70 + 56/80 = 57/70

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