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Add 3/80 and 12/70

3/80 + 12/70 is 117/560.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    3/80 = 3 × 7/80 × 7 = 21/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    12/70 = 12 × 8/70 × 8 = 96/560
  4. Add the two like fractions:
    21/560 + 96/560 = 21 + 96/560 = 117/560
  5. So, 3/80 + 12/70 = 117/560

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