Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 98/30 and 21/56

1st number: 3 8/30, 2nd number: 21/56

98/30 + 21/56 is 437/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 30 × 28 = 840,
    98/30 = 98 × 28/30 × 28 = 2744/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    21/56 = 21 × 15/56 × 15 = 315/840
  4. Add the two like fractions:
    2744/840 + 315/840 = 2744 + 315/840 = 3059/840
  5. 3059/840 simplified gives 437/120
  6. So, 98/30 + 21/56 = 437/120
    In mixed form: 377/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com