Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/49 and 25/30

42/49 + 25/30 is 71/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 30 is 1470

    Next, find the equivalent fraction of both fractional numbers with denominator 1470
  2. For the 1st fraction, since 49 × 30 = 1470,
    42/49 = 42 × 30/49 × 30 = 1260/1470
  3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
    25/30 = 25 × 49/30 × 49 = 1225/1470
  4. Add the two like fractions:
    1260/1470 + 1225/1470 = 1260 + 1225/1470 = 2485/1470
  5. 2485/1470 simplified gives 71/42
  6. So, 42/49 + 25/30 = 71/42
    In mixed form: 129/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com