Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/20 and 70/48

1st number: 1 1/20, 2nd number: 1 22/48

21/20 + 70/48 is 301/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 48 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 20 × 12 = 240,
    21/20 = 21 × 12/20 × 12 = 252/240
  3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
    70/48 = 70 × 5/48 × 5 = 350/240
  4. Add the two like fractions:
    252/240 + 350/240 = 252 + 350/240 = 602/240
  5. 602/240 simplified gives 301/120
  6. So, 21/20 + 70/48 = 301/120
    In mixed form: 261/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com