Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/45 and 45/42

1st number: 8/45, 2nd number: 1 3/42

8/45 + 45/42 is 787/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    8/45 = 8 × 14/45 × 14 = 112/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    45/42 = 45 × 15/42 × 15 = 675/630
  4. Add the two like fractions:
    112/630 + 675/630 = 112 + 675/630 = 787/630
  5. So, 8/45 + 45/42 = 787/630
    In mixed form: 1157/630

MathStep (Works offline)

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

Related:

© everydaycalculation.com