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Add 4/48 and 21/45

4/48 + 21/45 is 11/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 48 × 15 = 720,
    4/48 = 4 × 15/48 × 15 = 60/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    21/45 = 21 × 16/45 × 16 = 336/720
  4. Add the two like fractions:
    60/720 + 336/720 = 60 + 336/720 = 396/720
  5. 396/720 simplified gives 11/20
  6. So, 4/48 + 21/45 = 11/20

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