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Add 18/10 and 42/25

1st number: 1 8/10, 2nd number: 1 17/25

18/10 + 42/25 is 87/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 25 is 50

    Next, find the equivalent fraction of both fractional numbers with denominator 50
  2. For the 1st fraction, since 10 × 5 = 50,
    18/10 = 18 × 5/10 × 5 = 90/50
  3. Likewise, for the 2nd fraction, since 25 × 2 = 50,
    42/25 = 42 × 2/25 × 2 = 84/50
  4. Add the two like fractions:
    90/50 + 84/50 = 90 + 84/50 = 174/50
  5. 174/50 simplified gives 87/25
  6. So, 18/10 + 42/25 = 87/25
    In mixed form: 312/25

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