Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/45 and 18/4

1st number: 1/45, 2nd number: 4 2/4

1/45 + 18/4 is 407/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 4 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    1/45 = 1 × 4/45 × 4 = 4/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    18/4 = 18 × 45/4 × 45 = 810/180
  4. Add the two like fractions:
    4/180 + 810/180 = 4 + 810/180 = 814/180
  5. 814/180 simplified gives 407/90
  6. So, 1/45 + 18/4 = 407/90
    In mixed form: 447/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com