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Add 30/70 and 42/49

30/70 + 42/49 is 9/7.

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,
    30/70 = 30 × 7/70 × 7 = 210/490
  3. Likewise, for the 2nd fraction, since 49 × 10 = 490,
    42/49 = 42 × 10/49 × 10 = 420/490
  4. Add the two like fractions:
    210/490 + 420/490 = 210 + 420/490 = 630/490
  5. 630/490 simplified gives 9/7
  6. So, 30/70 + 42/49 = 9/7
    In mixed form: 12/7

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