Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/35 and 15/30

1st number: 1 7/35, 2nd number: 15/30

42/35 + 15/30 is 17/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 30 is 210
  2. For the 1st fraction, since 35 × 6 = 210,
    42/35 = 42 × 6/35 × 6 = 252/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    15/30 = 15 × 7/30 × 7 = 105/210
  4. Add the two fractions:
    252/210 + 105/210 = 252 + 105/210 = 357/210
  5. 357/210 simplified gives 17/10
  6. So, 42/35 + 15/30 = 17/10
    In mixed form: 17/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com