Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/70 and 36/50

21/70 + 36/50 is 51/50.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 50 is 350

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 70 × 5 = 350,
    21/70 = 21 × 5/70 × 5 = 105/350
  3. Likewise, for the 2nd fraction, since 50 × 7 = 350,
    36/50 = 36 × 7/50 × 7 = 252/350
  4. Add the two like fractions:
    105/350 + 252/350 = 105 + 252/350 = 357/350
  5. 357/350 simplified gives 51/50
  6. So, 21/70 + 36/50 = 51/50
    In mixed form: 11/50

MathStep (Works offline)

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

Related:

© everydaycalculation.com