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Add 8/70 and 21/49

8/70 + 21/49 is 19/35.

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,
    8/70 = 8 × 7/70 × 7 = 56/490
  3. Likewise, for the 2nd fraction, since 49 × 10 = 490,
    21/49 = 21 × 10/49 × 10 = 210/490
  4. Add the two like fractions:
    56/490 + 210/490 = 56 + 210/490 = 266/490
  5. 266/490 simplified gives 19/35
  6. So, 8/70 + 21/49 = 19/35

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