Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/40 and 42/9

1st number: 1/40, 2nd number: 4 6/9

1/40 + 42/9 is 563/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    1/40 = 1 × 9/40 × 9 = 9/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    42/9 = 42 × 40/9 × 40 = 1680/360
  4. Add the two like fractions:
    9/360 + 1680/360 = 9 + 1680/360 = 1689/360
  5. 1689/360 simplified gives 563/120
  6. So, 1/40 + 42/9 = 563/120
    In mixed form: 483/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com