Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/70 and 60/24

1st number: 21/70, 2nd number: 2 12/24

21/70 + 60/24 is 14/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 24 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 70 × 12 = 840,
    21/70 = 21 × 12/70 × 12 = 252/840
  3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
    60/24 = 60 × 35/24 × 35 = 2100/840
  4. Add the two like fractions:
    252/840 + 2100/840 = 252 + 2100/840 = 2352/840
  5. 2352/840 simplified gives 14/5
  6. So, 21/70 + 60/24 = 14/5
    In mixed form: 24/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com