Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/9 and 4/45

1st number: 7 7/9, 2nd number: 4/45

70/9 + 4/45 is 118/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 45 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 9 × 5 = 45,
    70/9 = 70 × 5/9 × 5 = 350/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    4/45 = 4 × 1/45 × 1 = 4/45
  4. Add the two like fractions:
    350/45 + 4/45 = 350 + 4/45 = 354/45
  5. 354/45 simplified gives 118/15
  6. So, 70/9 + 4/45 = 118/15
    In mixed form: 713/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com