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Add 7/18 and 42/40

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

7/18 + 42/40 is 259/180.

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,
    7/18 = 7 × 20/18 × 20 = 140/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    42/40 = 42 × 9/40 × 9 = 378/360
  4. Add the two like fractions:
    140/360 + 378/360 = 140 + 378/360 = 518/360
  5. 518/360 simplified gives 259/180
  6. So, 7/18 + 42/40 = 259/180
    In mixed form: 179/180

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