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Add 18/70 and 36/49

18/70 + 36/49 is 243/245.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 49 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 70 × 7 = 490,
    18/70 = 18 × 7/70 × 7 = 126/490
  3. Likewise, for the 2nd fraction, since 49 × 10 = 490,
    36/49 = 36 × 10/49 × 10 = 360/490
  4. Add the two like fractions:
    126/490 + 360/490 = 126 + 360/490 = 486/490
  5. 486/490 simplified gives 243/245
  6. So, 18/70 + 36/49 = 243/245

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