Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/30 from 42/6

1st number: 7 0/6, 2nd number: 15/30

42/6 - 15/30 is 13/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 6 × 5 = 30,
    42/6 = 42 × 5/6 × 5 = 210/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    15/30 = 15 × 1/30 × 1 = 15/30
  4. Subtract the two like fractions:
    210/30 - 15/30 = 210 - 15/30 = 195/30
  5. After reducing the fraction, the answer is 13/2
  6. In mixed form: 61/2

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com