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Add 1/9 and 42/40

1st number: 1/9, 2nd number: 1 2/40

1/9 + 42/40 is 209/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 9 × 40 = 360,
    1/9 = 1 × 40/9 × 40 = 40/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    42/40 = 42 × 9/40 × 9 = 378/360
  4. Add the two like fractions:
    40/360 + 378/360 = 40 + 378/360 = 418/360
  5. 418/360 simplified gives 209/180
  6. So, 1/9 + 42/40 = 209/180
    In mixed form: 129/180

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