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Add 75/80 and 45/70

75/80 + 45/70 is 177/112.

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,
    75/80 = 75 × 7/80 × 7 = 525/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    45/70 = 45 × 8/70 × 8 = 360/560
  4. Add the two like fractions:
    525/560 + 360/560 = 525 + 360/560 = 885/560
  5. 885/560 simplified gives 177/112
  6. So, 75/80 + 45/70 = 177/112
    In mixed form: 165/112

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