Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/8 and 21/49

1st number: 3 1/8, 2nd number: 21/49

25/8 + 21/49 is 199/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 49 is 392

    Next, find the equivalent fraction of both fractional numbers with denominator 392
  2. For the 1st fraction, since 8 × 49 = 392,
    25/8 = 25 × 49/8 × 49 = 1225/392
  3. Likewise, for the 2nd fraction, since 49 × 8 = 392,
    21/49 = 21 × 8/49 × 8 = 168/392
  4. Add the two like fractions:
    1225/392 + 168/392 = 1225 + 168/392 = 1393/392
  5. 1393/392 simplified gives 199/56
  6. So, 25/8 + 21/49 = 199/56
    In mixed form: 331/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com