Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/3 and 8/70

1st number: 7 0/3, 2nd number: 8/70

21/3 + 8/70 is 249/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 3 × 70 = 210,
    21/3 = 21 × 70/3 × 70 = 1470/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    8/70 = 8 × 3/70 × 3 = 24/210
  4. Add the two like fractions:
    1470/210 + 24/210 = 1470 + 24/210 = 1494/210
  5. 1494/210 simplified gives 249/35
  6. So, 21/3 + 8/70 = 249/35
    In mixed form: 74/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com