Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/42 and 40/50

7/42 + 40/50 is 29/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 50 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 42 × 25 = 1050,
    7/42 = 7 × 25/42 × 25 = 175/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    40/50 = 40 × 21/50 × 21 = 840/1050
  4. Add the two like fractions:
    175/1050 + 840/1050 = 175 + 840/1050 = 1015/1050
  5. 1015/1050 simplified gives 29/30
  6. So, 7/42 + 40/50 = 29/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com