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Add 7/49 and 20/64

7/49 + 20/64 is 51/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 64 is 3136

    Next, find the equivalent fraction of both fractional numbers with denominator 3136
  2. For the 1st fraction, since 49 × 64 = 3136,
    7/49 = 7 × 64/49 × 64 = 448/3136
  3. Likewise, for the 2nd fraction, since 64 × 49 = 3136,
    20/64 = 20 × 49/64 × 49 = 980/3136
  4. Add the two like fractions:
    448/3136 + 980/3136 = 448 + 980/3136 = 1428/3136
  5. 1428/3136 simplified gives 51/112
  6. So, 7/49 + 20/64 = 51/112

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