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Add 81/7 and 16/80

1st number: 11 4/7, 2nd number: 16/80

81/7 + 16/80 is 412/35.

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,
    81/7 = 81 × 80/7 × 80 = 6480/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    16/80 = 16 × 7/80 × 7 = 112/560
  4. Add the two like fractions:
    6480/560 + 112/560 = 6480 + 112/560 = 6592/560
  5. 6592/560 simplified gives 412/35
  6. So, 81/7 + 16/80 = 412/35
    In mixed form: 1127/35

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