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Add 18/40 and 54/7

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

18/40 + 54/7 is 1143/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 7 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    18/40 = 18 × 7/40 × 7 = 126/280
  3. Likewise, for the 2nd fraction, since 7 × 40 = 280,
    54/7 = 54 × 40/7 × 40 = 2160/280
  4. Add the two like fractions:
    126/280 + 2160/280 = 126 + 2160/280 = 2286/280
  5. 2286/280 simplified gives 1143/140
  6. So, 18/40 + 54/7 = 1143/140
    In mixed form: 823/140

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