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Add 25/15 and 54/7

1st number: 1 10/15, 2nd number: 7 5/7

25/15 + 54/7 is 197/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105
  2. For the 1st fraction, since 15 × 7 = 105,
    25/15 = 25 × 7/15 × 7 = 175/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    54/7 = 54 × 15/7 × 15 = 810/105
  4. Add the two fractions:
    175/105 + 810/105 = 175 + 810/105 = 985/105
  5. 985/105 simplified gives 197/21
  6. So, 25/15 + 54/7 = 197/21
    In mixed form: 98/21

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