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Add 2/45 and 40/80

2/45 + 40/80 is 49/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 45 × 16 = 720,
    2/45 = 2 × 16/45 × 16 = 32/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    40/80 = 40 × 9/80 × 9 = 360/720
  4. Add the two like fractions:
    32/720 + 360/720 = 32 + 360/720 = 392/720
  5. 392/720 simplified gives 49/90
  6. So, 2/45 + 40/80 = 49/90

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