Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/49 and 9/56

42/49 + 9/56 is 57/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 56 is 392

    Next, find the equivalent fraction of both fractional numbers with denominator 392
  2. For the 1st fraction, since 49 × 8 = 392,
    42/49 = 42 × 8/49 × 8 = 336/392
  3. Likewise, for the 2nd fraction, since 56 × 7 = 392,
    9/56 = 9 × 7/56 × 7 = 63/392
  4. Add the two like fractions:
    336/392 + 63/392 = 336 + 63/392 = 399/392
  5. 399/392 simplified gives 57/56
  6. So, 42/49 + 9/56 = 57/56
    In mixed form: 11/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com