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Add 70/15 and 15/54

1st number: 4 10/15, 2nd number: 15/54

70/15 + 15/54 is 89/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 15 × 18 = 270,
    70/15 = 70 × 18/15 × 18 = 1260/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    15/54 = 15 × 5/54 × 5 = 75/270
  4. Add the two like fractions:
    1260/270 + 75/270 = 1260 + 75/270 = 1335/270
  5. 1335/270 simplified gives 89/18
  6. So, 70/15 + 15/54 = 89/18
    In mixed form: 417/18

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