Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/8 and 21/60

1st number: 6 6/8, 2nd number: 21/60

54/8 + 21/60 is 71/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 60 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 8 × 15 = 120,
    54/8 = 54 × 15/8 × 15 = 810/120
  3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
    21/60 = 21 × 2/60 × 2 = 42/120
  4. Add the two like fractions:
    810/120 + 42/120 = 810 + 42/120 = 852/120
  5. 852/120 simplified gives 71/10
  6. So, 54/8 + 21/60 = 71/10
    In mixed form: 71/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com