Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/30 and 25/7

1st number: 1 12/30, 2nd number: 3 4/7

42/30 + 25/7 is 174/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    42/30 = 42 × 7/30 × 7 = 294/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    25/7 = 25 × 30/7 × 30 = 750/210
  4. Add the two like fractions:
    294/210 + 750/210 = 294 + 750/210 = 1044/210
  5. 1044/210 simplified gives 174/35
  6. So, 42/30 + 25/7 = 174/35
    In mixed form: 434/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com