Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/5 and 3/42

1st number: 1 2/5, 2nd number: 3/42

7/5 + 3/42 is 103/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210
  2. For the 1st fraction, since 5 × 42 = 210,
    7/5 = 7 × 42/5 × 42 = 294/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    3/42 = 3 × 5/42 × 5 = 15/210
  4. Add the two fractions:
    294/210 + 15/210 = 294 + 15/210 = 309/210
  5. 309/210 simplified gives 103/70
  6. So, 7/5 + 3/42 = 103/70
    In mixed form: 133/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com