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Add 15/70 and 36/80

15/70 + 36/80 is 93/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 70 × 8 = 560,
    15/70 = 15 × 8/70 × 8 = 120/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    36/80 = 36 × 7/80 × 7 = 252/560
  4. Add the two like fractions:
    120/560 + 252/560 = 120 + 252/560 = 372/560
  5. 372/560 simplified gives 93/140
  6. So, 15/70 + 36/80 = 93/140

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