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Add 80/30 and 45/7

1st number: 2 20/30, 2nd number: 6 3/7

80/30 + 45/7 is 191/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    80/30 = 80 × 7/30 × 7 = 560/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    45/7 = 45 × 30/7 × 30 = 1350/210
  4. Add the two like fractions:
    560/210 + 1350/210 = 560 + 1350/210 = 1910/210
  5. 1910/210 simplified gives 191/21
  6. So, 80/30 + 45/7 = 191/21
    In mixed form: 92/21

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