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Add 70/80 and 81/7

1st number: 70/80, 2nd number: 11 4/7

70/80 + 81/7 is 697/56.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    70/80 = 70 × 7/80 × 7 = 490/560
  3. Likewise, for the 2nd fraction, since 7 × 80 = 560,
    81/7 = 81 × 80/7 × 80 = 6480/560
  4. Add the two like fractions:
    490/560 + 6480/560 = 490 + 6480/560 = 6970/560
  5. 6970/560 simplified gives 697/56
  6. So, 70/80 + 81/7 = 697/56
    In mixed form: 1225/56

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