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Add 42/7 and 20/90

1st number: 6 0/7, 2nd number: 20/90

42/7 + 20/90 is 56/9.

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,
    42/7 = 42 × 90/7 × 90 = 3780/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    20/90 = 20 × 7/90 × 7 = 140/630
  4. Add the two fractions:
    3780/630 + 140/630 = 3780 + 140/630 = 3920/630
  5. After reducing the fraction, the answer is 56/9
  6. In mixed form: 62/9

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