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Add 42/72 and 8/30

42/72 + 8/30 is 17/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 30 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    42/72 = 42 × 5/72 × 5 = 210/360
  3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
    8/30 = 8 × 12/30 × 12 = 96/360
  4. Add the two like fractions:
    210/360 + 96/360 = 210 + 96/360 = 306/360
  5. 306/360 simplified gives 17/20
  6. So, 42/72 + 8/30 = 17/20

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