Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 3/2 and 42/70

1st number: 1 1/2, 2nd number: 42/70

3/2 + 42/70 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 70 is 70
  2. For the 1st fraction, since 2 × 35 = 70,
    3/2 = 3 × 35/2 × 35 = 105/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    42/70 = 42 × 1/70 × 1 = 42/70
  4. Add the two fractions:
    105/70 + 42/70 = 105 + 42/70 = 147/70
  5. After reducing the fraction, the answer is 21/10
  6. In mixed form: 21/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com