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Add 42/64 and 54/70

42/64 + 54/70 is 1599/1120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 70 is 2240

    Next, find the equivalent fraction of both fractional numbers with denominator 2240
  2. For the 1st fraction, since 64 × 35 = 2240,
    42/64 = 42 × 35/64 × 35 = 1470/2240
  3. Likewise, for the 2nd fraction, since 70 × 32 = 2240,
    54/70 = 54 × 32/70 × 32 = 1728/2240
  4. Add the two like fractions:
    1470/2240 + 1728/2240 = 1470 + 1728/2240 = 3198/2240
  5. 3198/2240 simplified gives 1599/1120
  6. So, 42/64 + 54/70 = 1599/1120
    In mixed form: 1479/1120

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