Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/5 and 84/45

1st number: 8 2/5, 2nd number: 1 39/45

42/5 + 84/45 is 154/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 45 is 45
  2. For the 1st fraction, since 5 × 9 = 45,
    42/5 = 42 × 9/5 × 9 = 378/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    84/45 = 84 × 1/45 × 1 = 84/45
  4. Add the two fractions:
    378/45 + 84/45 = 378 + 84/45 = 462/45
  5. 462/45 simplified gives 154/15
  6. So, 42/5 + 84/45 = 154/15
    In mixed form: 104/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com