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Add 72/96 and 3/21

72/96 + 3/21 is 25/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 96 and 21 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 96 × 7 = 672,
    72/96 = 72 × 7/96 × 7 = 504/672
  3. Likewise, for the 2nd fraction, since 21 × 32 = 672,
    3/21 = 3 × 32/21 × 32 = 96/672
  4. Add the two like fractions:
    504/672 + 96/672 = 504 + 96/672 = 600/672
  5. 600/672 simplified gives 25/28
  6. So, 72/96 + 3/21 = 25/28

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