Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 60/21 and 35/40

1st number: 2 18/21, 2nd number: 35/40

60/21 + 35/40 is 209/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 21 × 40 = 840,
    60/21 = 60 × 40/21 × 40 = 2400/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    35/40 = 35 × 21/40 × 21 = 735/840
  4. Add the two like fractions:
    2400/840 + 735/840 = 2400 + 735/840 = 3135/840
  5. 3135/840 simplified gives 209/56
  6. So, 60/21 + 35/40 = 209/56
    In mixed form: 341/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com