Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 98/15 and 21/70

1st number: 6 8/15, 2nd number: 21/70

98/15 + 21/70 is 41/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    98/15 = 98 × 14/15 × 14 = 1372/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    21/70 = 21 × 3/70 × 3 = 63/210
  4. Add the two like fractions:
    1372/210 + 63/210 = 1372 + 63/210 = 1435/210
  5. 1435/210 simplified gives 41/6
  6. So, 98/15 + 21/70 = 41/6
    In mixed form: 65/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com