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Add 8/72 and 54/70

8/72 + 54/70 is 278/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 70 is 2520
  2. For the 1st fraction, since 72 × 35 = 2520,
    8/72 = 8 × 35/72 × 35 = 280/2520
  3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
    54/70 = 54 × 36/70 × 36 = 1944/2520
  4. Add the two fractions:
    280/2520 + 1944/2520 = 280 + 1944/2520 = 2224/2520
  5. After reducing the fraction, the answer is 278/315

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