Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/70 and 70/50

1st number: 1 2/70, 2nd number: 1 20/50

72/70 + 70/50 is 17/7.

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,
    72/70 = 72 × 5/70 × 5 = 360/350
  3. Likewise, for the 2nd fraction, since 50 × 7 = 350,
    70/50 = 70 × 7/50 × 7 = 490/350
  4. Add the two like fractions:
    360/350 + 490/350 = 360 + 490/350 = 850/350
  5. 850/350 simplified gives 17/7
  6. So, 72/70 + 70/50 = 17/7
    In mixed form: 23/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com