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Add 7/48 and 21/45

7/48 + 21/45 is 49/80.

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,
    7/48 = 7 × 15/48 × 15 = 105/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    21/45 = 21 × 16/45 × 16 = 336/720
  4. Add the two like fractions:
    105/720 + 336/720 = 105 + 336/720 = 441/720
  5. 441/720 simplified gives 49/80
  6. So, 7/48 + 21/45 = 49/80

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