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Add 12/7 and 4/90

1st number: 1 5/7, 2nd number: 4/90

12/7 + 4/90 is 554/315.

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,
    12/7 = 12 × 90/7 × 90 = 1080/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    4/90 = 4 × 7/90 × 7 = 28/630
  4. Add the two fractions:
    1080/630 + 28/630 = 1080 + 28/630 = 1108/630
  5. After reducing the fraction, the answer is 554/315
  6. In mixed form: 1239/315

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