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Add 20/64 and 42/60

20/64 + 42/60 is 81/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 60 is 960

    Next, find the equivalent fraction of both fractional numbers with denominator 960
  2. For the 1st fraction, since 64 × 15 = 960,
    20/64 = 20 × 15/64 × 15 = 300/960
  3. Likewise, for the 2nd fraction, since 60 × 16 = 960,
    42/60 = 42 × 16/60 × 16 = 672/960
  4. Add the two like fractions:
    300/960 + 672/960 = 300 + 672/960 = 972/960
  5. 972/960 simplified gives 81/80
  6. So, 20/64 + 42/60 = 81/80
    In mixed form: 11/80

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