Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/7 and 8/90

1st number: 4 0/7, 2nd number: 8/90

28/7 + 8/90 is 184/45.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 7 × 90 = 630,
    28/7 = 28 × 90/7 × 90 = 2520/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    8/90 = 8 × 7/90 × 7 = 56/630
  4. Add the two like fractions:
    2520/630 + 56/630 = 2520 + 56/630 = 2576/630
  5. 2576/630 simplified gives 184/45
  6. So, 28/7 + 8/90 = 184/45
    In mixed form: 44/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com