Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/40 and 21/9

1st number: 2/40, 2nd number: 2 3/9

2/40 + 21/9 is 143/60.

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,
    2/40 = 2 × 9/40 × 9 = 18/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    21/9 = 21 × 40/9 × 40 = 840/360
  4. Add the two like fractions:
    18/360 + 840/360 = 18 + 840/360 = 858/360
  5. 858/360 simplified gives 143/60
  6. So, 2/40 + 21/9 = 143/60
    In mixed form: 223/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com