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Add 25/72 and 42/64

25/72 + 42/64 is 289/288.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 64 is 576

    Next, find the equivalent fraction of both fractional numbers with denominator 576
  2. For the 1st fraction, since 72 × 8 = 576,
    25/72 = 25 × 8/72 × 8 = 200/576
  3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
    42/64 = 42 × 9/64 × 9 = 378/576
  4. Add the two like fractions:
    200/576 + 378/576 = 200 + 378/576 = 578/576
  5. 578/576 simplified gives 289/288
  6. So, 25/72 + 42/64 = 289/288
    In mixed form: 11/288

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