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Add 30/7 and 30/90

1st number: 4 2/7, 2nd number: 30/90

30/7 + 30/90 is 97/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 7 × 90 = 630,
    30/7 = 30 × 90/7 × 90 = 2700/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    30/90 = 30 × 7/90 × 7 = 210/630
  4. Add the two like fractions:
    2700/630 + 210/630 = 2700 + 210/630 = 2910/630
  5. 2910/630 simplified gives 97/21
  6. So, 30/7 + 30/90 = 97/21
    In mixed form: 413/21

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