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Add 27/80 and 56/70

27/80 + 56/70 is 91/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 70 is 560
  2. For the 1st fraction, since 80 × 7 = 560,
    27/80 = 27 × 7/80 × 7 = 189/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    56/70 = 56 × 8/70 × 8 = 448/560
  4. Add the two fractions:
    189/560 + 448/560 = 189 + 448/560 = 637/560
  5. After reducing the fraction, the answer is 91/80
  6. In mixed form: 111/80

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