Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/2 and 10/45

1st number: 21 0/2, 2nd number: 10/45

42/2 + 10/45 is 191/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 2 × 45 = 90,
    42/2 = 42 × 45/2 × 45 = 1890/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    10/45 = 10 × 2/45 × 2 = 20/90
  4. Add the two like fractions:
    1890/90 + 20/90 = 1890 + 20/90 = 1910/90
  5. 1910/90 simplified gives 191/9
  6. So, 42/2 + 10/45 = 191/9
    In mixed form: 212/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com