Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/90 and 2/7

75/90 + 2/7 is 47/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 7 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    75/90 = 75 × 7/90 × 7 = 525/630
  3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
    2/7 = 2 × 90/7 × 90 = 180/630
  4. Add the two like fractions:
    525/630 + 180/630 = 525 + 180/630 = 705/630
  5. 705/630 simplified gives 47/42
  6. So, 75/90 + 2/7 = 47/42
    In mixed form: 15/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com