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Add 30/70 and 70/49

1st number: 30/70, 2nd number: 1 21/49

30/70 + 70/49 is 13/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 49 is 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,
    70/49 = 70 × 10/49 × 10 = 700/490
  4. Add the two fractions:
    210/490 + 700/490 = 210 + 700/490 = 910/490
  5. 910/490 simplified gives 13/7
  6. So, 30/70 + 70/49 = 13/7
    In mixed form: 16/7

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