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Add 3/72 and 18/70

3/72 + 18/70 is 251/840.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 70 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 72 × 35 = 2520,
    3/72 = 3 × 35/72 × 35 = 105/2520
  3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
    18/70 = 18 × 36/70 × 36 = 648/2520
  4. Add the two like fractions:
    105/2520 + 648/2520 = 105 + 648/2520 = 753/2520
  5. 753/2520 simplified gives 251/840
  6. So, 3/72 + 18/70 = 251/840

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