Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/21 and 4/70

1st number: 1 19/21, 2nd number: 4/70

40/21 + 4/70 is 206/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    40/21 = 40 × 10/21 × 10 = 400/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    4/70 = 4 × 3/70 × 3 = 12/210
  4. Add the two like fractions:
    400/210 + 12/210 = 400 + 12/210 = 412/210
  5. 412/210 simplified gives 206/105
  6. So, 40/21 + 4/70 = 206/105
    In mixed form: 1101/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com