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Add 15/7 and 84/80

1st number: 2 1/7, 2nd number: 1 4/80

15/7 + 84/80 is 447/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 7 × 80 = 560,
    15/7 = 15 × 80/7 × 80 = 1200/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    84/80 = 84 × 7/80 × 7 = 588/560
  4. Add the two like fractions:
    1200/560 + 588/560 = 1200 + 588/560 = 1788/560
  5. 1788/560 simplified gives 447/140
  6. So, 15/7 + 84/80 = 447/140
    In mixed form: 327/140

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