Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 1/70 and 90/40

1st number: 1/70, 2nd number: 2 10/40

1/70 + 90/40 is 317/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 40 is 280
  2. For the 1st fraction, since 70 × 4 = 280,
    1/70 = 1 × 4/70 × 4 = 4/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    90/40 = 90 × 7/40 × 7 = 630/280
  4. Add the two fractions:
    4/280 + 630/280 = 4 + 630/280 = 634/280
  5. After reducing the fraction, the answer is 317/140
  6. In mixed form: 237/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com