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Add 42/72 and 30/45

42/72 + 30/45 is 5/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 45 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 45 × 8 = 360,
    30/45 = 30 × 8/45 × 8 = 240/360
  4. Add the two like fractions:
    210/360 + 240/360 = 210 + 240/360 = 450/360
  5. 450/360 simplified gives 5/4
  6. So, 42/72 + 30/45 = 5/4
    In mixed form: 11/4

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