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Add 42/90 and 1/40

42/90 + 1/40 is 59/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    42/90 = 42 × 4/90 × 4 = 168/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    1/40 = 1 × 9/40 × 9 = 9/360
  4. Add the two like fractions:
    168/360 + 9/360 = 168 + 9/360 = 177/360
  5. 177/360 simplified gives 59/120
  6. So, 42/90 + 1/40 = 59/120

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