Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/30 and 98/20

1st number: 21/30, 2nd number: 4 18/20

21/30 + 98/20 is 28/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    21/30 = 21 × 2/30 × 2 = 42/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    98/20 = 98 × 3/20 × 3 = 294/60
  4. Add the two like fractions:
    42/60 + 294/60 = 42 + 294/60 = 336/60
  5. 336/60 simplified gives 28/5
  6. So, 21/30 + 98/20 = 28/5
    In mixed form: 53/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com