Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/70 and 98/21

1st number: 40/70, 2nd number: 4 14/21

40/70 + 98/21 is 110/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 21 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    40/70 = 40 × 3/70 × 3 = 120/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    98/21 = 98 × 10/21 × 10 = 980/210
  4. Add the two fractions:
    120/210 + 980/210 = 120 + 980/210 = 1100/210
  5. 1100/210 simplified gives 110/21
  6. So, 40/70 + 98/21 = 110/21
    In mixed form: 55/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com