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Add 15/70 and 72/8

1st number: 15/70, 2nd number: 9 0/8

15/70 + 72/8 is 129/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    15/70 = 15 × 4/70 × 4 = 60/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    72/8 = 72 × 35/8 × 35 = 2520/280
  4. Add the two like fractions:
    60/280 + 2520/280 = 60 + 2520/280 = 2580/280
  5. 2580/280 simplified gives 129/14
  6. So, 15/70 + 72/8 = 129/14
    In mixed form: 93/14

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