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Add 70/12 and 45/80

1st number: 5 10/12, 2nd number: 45/80

70/12 + 45/80 is 307/48.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 12 × 20 = 240,
    70/12 = 70 × 20/12 × 20 = 1400/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    45/80 = 45 × 3/80 × 3 = 135/240
  4. Add the two like fractions:
    1400/240 + 135/240 = 1400 + 135/240 = 1535/240
  5. 1535/240 simplified gives 307/48
  6. So, 70/12 + 45/80 = 307/48
    In mixed form: 619/48

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