Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/42 and 35/40

25/42 + 35/40 is 247/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 42 × 20 = 840,
    25/42 = 25 × 20/42 × 20 = 500/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    35/40 = 35 × 21/40 × 21 = 735/840
  4. Add the two like fractions:
    500/840 + 735/840 = 500 + 735/840 = 1235/840
  5. 1235/840 simplified gives 247/168
  6. So, 25/42 + 35/40 = 247/168
    In mixed form: 179/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com