Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/90 from 42/6

1st number: 7 0/6, 2nd number: 3/90

42/6 - 3/90 is 209/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 6 × 15 = 90,
    42/6 = 42 × 15/6 × 15 = 630/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    3/90 = 3 × 1/90 × 1 = 3/90
  4. Subtract the two like fractions:
    630/90 - 3/90 = 630 - 3/90 = 627/90
  5. After reducing the fraction, the answer is 209/30
  6. In mixed form: 629/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com