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Add 30/7 and 20/90

1st number: 4 2/7, 2nd number: 20/90

30/7 + 20/90 is 284/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 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,
    20/90 = 20 × 7/90 × 7 = 140/630
  4. Add the two fractions:
    2700/630 + 140/630 = 2700 + 140/630 = 2840/630
  5. After reducing the fraction, the answer is 284/63
  6. In mixed form: 432/63

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