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Add 40/80 and 70/18

1st number: 40/80, 2nd number: 3 16/18

40/80 + 70/18 is 79/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 18 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    40/80 = 40 × 9/80 × 9 = 360/720
  3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
    70/18 = 70 × 40/18 × 40 = 2800/720
  4. Add the two like fractions:
    360/720 + 2800/720 = 360 + 2800/720 = 3160/720
  5. 3160/720 simplified gives 79/18
  6. So, 40/80 + 70/18 = 79/18
    In mixed form: 47/18

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