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Add 42/49 and 3/70

42/49 + 3/70 is 9/10.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 49 × 10 = 490,
    42/49 = 42 × 10/49 × 10 = 420/490
  3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
    3/70 = 3 × 7/70 × 7 = 21/490
  4. Add the two like fractions:
    420/490 + 21/490 = 420 + 21/490 = 441/490
  5. 441/490 simplified gives 9/10
  6. So, 42/49 + 3/70 = 9/10

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