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Add 7/18 and 45/40

1st number: 7/18, 2nd number: 1 5/40

7/18 + 45/40 is 109/72.

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,
    7/18 = 7 × 20/18 × 20 = 140/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    45/40 = 45 × 9/40 × 9 = 405/360
  4. Add the two like fractions:
    140/360 + 405/360 = 140 + 405/360 = 545/360
  5. 545/360 simplified gives 109/72
  6. So, 7/18 + 45/40 = 109/72
    In mixed form: 137/72

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