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Add 32/70 and 20/72

32/70 + 20/72 is 463/630.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 70 × 36 = 2520,
    32/70 = 32 × 36/70 × 36 = 1152/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    20/72 = 20 × 35/72 × 35 = 700/2520
  4. Add the two like fractions:
    1152/2520 + 700/2520 = 1152 + 700/2520 = 1852/2520
  5. 1852/2520 simplified gives 463/630
  6. So, 32/70 + 20/72 = 463/630

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