Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 7/18 from 42/6

1st number: 7 0/6, 2nd number: 7/18

42/6 - 7/18 is 119/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 18 is 18
  2. For the 1st fraction, since 6 × 3 = 18,
    42/6 = 42 × 3/6 × 3 = 126/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    7/18 = 7 × 1/18 × 1 = 7/18
  4. Subtract the two fractions:
    126/18 - 7/18 = 126 - 7/18 = 119/18
  5. In mixed form: 611/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com