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Add 7/72 and 10/70

7/72 + 10/70 is 121/504.

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,
    7/72 = 7 × 35/72 × 35 = 245/2520
  3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
    10/70 = 10 × 36/70 × 36 = 360/2520
  4. Add the two fractions:
    245/2520 + 360/2520 = 245 + 360/2520 = 605/2520
  5. After reducing the fraction, the answer is 121/504

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