Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/8 and 24/70

1st number: 2 5/8, 2nd number: 24/70

21/8 + 24/70 is 831/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 8 × 35 = 280,
    21/8 = 21 × 35/8 × 35 = 735/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    24/70 = 24 × 4/70 × 4 = 96/280
  4. Add the two like fractions:
    735/280 + 96/280 = 735 + 96/280 = 831/280
  5. So, 21/8 + 24/70 = 831/280
    In mixed form: 2271/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com