Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 42/25 and 40/90

1st number: 1 17/25, 2nd number: 40/90

42/25 is greater than 40/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 25 × 18 = 450,
    42/25 = 42 × 18/25 × 18 = 756/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    40/90 = 40 × 5/90 × 5 = 200/450
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 756/450 > 200/450 or 42/25 > 40/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com