Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/4 and 28/30

1st number: 10 2/4, 2nd number: 28/30

42/4 + 28/30 is 343/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 30 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    42/4 = 42 × 15/4 × 15 = 630/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    28/30 = 28 × 2/30 × 2 = 56/60
  4. Add the two like fractions:
    630/60 + 56/60 = 630 + 56/60 = 686/60
  5. 686/60 simplified gives 343/30
  6. So, 42/4 + 28/30 = 343/30
    In mixed form: 1113/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com