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Add 40/50 and 21/64

40/50 + 21/64 is 361/320.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 64 is 1600
  2. For the 1st fraction, since 50 × 32 = 1600,
    40/50 = 40 × 32/50 × 32 = 1280/1600
  3. Likewise, for the 2nd fraction, since 64 × 25 = 1600,
    21/64 = 21 × 25/64 × 25 = 525/1600
  4. Add the two fractions:
    1280/1600 + 525/1600 = 1280 + 525/1600 = 1805/1600
  5. 1805/1600 simplified gives 361/320
  6. So, 40/50 + 21/64 = 361/320
    In mixed form: 141/320

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