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Add 7/18 and 40/70

7/18 + 40/70 is 121/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 18 × 35 = 630,
    7/18 = 7 × 35/18 × 35 = 245/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    40/70 = 40 × 9/70 × 9 = 360/630
  4. Add the two like fractions:
    245/630 + 360/630 = 245 + 360/630 = 605/630
  5. 605/630 simplified gives 121/126
  6. So, 7/18 + 40/70 = 121/126

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