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Add 35/18 and 42/40

1st number: 1 17/18, 2nd number: 1 2/40

35/18 + 42/40 is 539/180.

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,
    35/18 = 35 × 20/18 × 20 = 700/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    42/40 = 42 × 9/40 × 9 = 378/360
  4. Add the two like fractions:
    700/360 + 378/360 = 700 + 378/360 = 1078/360
  5. 1078/360 simplified gives 539/180
  6. So, 35/18 + 42/40 = 539/180
    In mixed form: 2179/180

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