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Add 80/18 and 8/40

1st number: 4 8/18, 2nd number: 8/40

80/18 + 8/40 is 209/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 18 × 20 = 360,
    80/18 = 80 × 20/18 × 20 = 1600/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    8/40 = 8 × 9/40 × 9 = 72/360
  4. Add the two like fractions:
    1600/360 + 72/360 = 1600 + 72/360 = 1672/360
  5. 1672/360 simplified gives 209/45
  6. So, 80/18 + 8/40 = 209/45
    In mixed form: 429/45

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