Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/27 and 2/70

21/27 + 2/70 is 254/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 70 is 1890

    Next, find the equivalent fraction of both fractional numbers with denominator 1890
  2. For the 1st fraction, since 27 × 70 = 1890,
    21/27 = 21 × 70/27 × 70 = 1470/1890
  3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
    2/70 = 2 × 27/70 × 27 = 54/1890
  4. Add the two like fractions:
    1470/1890 + 54/1890 = 1470 + 54/1890 = 1524/1890
  5. 1524/1890 simplified gives 254/315
  6. So, 21/27 + 2/70 = 254/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com