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Add 80/18 and 90/70

1st number: 4 8/18, 2nd number: 1 20/70

80/18 + 90/70 is 361/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 18 × 35 = 630,
    80/18 = 80 × 35/18 × 35 = 2800/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    90/70 = 90 × 9/70 × 9 = 810/630
  4. Add the two like fractions:
    2800/630 + 810/630 = 2800 + 810/630 = 3610/630
  5. 3610/630 simplified gives 361/63
  6. So, 80/18 + 90/70 = 361/63
    In mixed form: 546/63

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