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Subtract 18/45 from 60/21

1st number: 2 18/21, 2nd number: 18/45

60/21 - 18/45 is 86/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 21 × 15 = 315,
    60/21 = 60 × 15/21 × 15 = 900/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    18/45 = 18 × 7/45 × 7 = 126/315
  4. Subtract the two like fractions:
    900/315 - 126/315 = 900 - 126/315 = 774/315
  5. After reducing the fraction, the answer is 86/35
  6. In mixed form: 216/35

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