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Add 45/90 and 16/80

45/90 + 16/80 is 7/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    45/90 = 45 × 8/90 × 8 = 360/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    16/80 = 16 × 9/80 × 9 = 144/720
  4. Add the two like fractions:
    360/720 + 144/720 = 360 + 144/720 = 504/720
  5. 504/720 simplified gives 7/10
  6. So, 45/90 + 16/80 = 7/10

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