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Add 9/70 and 18/72

9/70 + 18/72 is 53/140.

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,
    9/70 = 9 × 36/70 × 36 = 324/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    18/72 = 18 × 35/72 × 35 = 630/2520
  4. Add the two like fractions:
    324/2520 + 630/2520 = 324 + 630/2520 = 954/2520
  5. 954/2520 simplified gives 53/140
  6. So, 9/70 + 18/72 = 53/140

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