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Add 25/60 and 42/45

25/60 + 42/45 is 27/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 60 × 3 = 180,
    25/60 = 25 × 3/60 × 3 = 75/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    42/45 = 42 × 4/45 × 4 = 168/180
  4. Add the two like fractions:
    75/180 + 168/180 = 75 + 168/180 = 243/180
  5. 243/180 simplified gives 27/20
  6. So, 25/60 + 42/45 = 27/20
    In mixed form: 17/20

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