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Add 3/90 and 90/7

1st number: 3/90, 2nd number: 12 6/7

3/90 + 90/7 is 2707/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 7 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    3/90 = 3 × 7/90 × 7 = 21/630
  3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
    90/7 = 90 × 90/7 × 90 = 8100/630
  4. Add the two fractions:
    21/630 + 8100/630 = 21 + 8100/630 = 8121/630
  5. After reducing the fraction, the answer is 2707/210
  6. In mixed form: 12187/210

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