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Add 21/49 and 42/48

21/49 + 42/48 is 73/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 48 is 2352

    Next, find the equivalent fraction of both fractional numbers with denominator 2352
  2. For the 1st fraction, since 49 × 48 = 2352,
    21/49 = 21 × 48/49 × 48 = 1008/2352
  3. Likewise, for the 2nd fraction, since 48 × 49 = 2352,
    42/48 = 42 × 49/48 × 49 = 2058/2352
  4. Add the two like fractions:
    1008/2352 + 2058/2352 = 1008 + 2058/2352 = 3066/2352
  5. 3066/2352 simplified gives 73/56
  6. So, 21/49 + 42/48 = 73/56
    In mixed form: 117/56

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