Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/7 and 7/45

1st number: 10 0/7, 2nd number: 7/45

70/7 + 7/45 is 457/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 7 × 45 = 315,
    70/7 = 70 × 45/7 × 45 = 3150/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    7/45 = 7 × 7/45 × 7 = 49/315
  4. Add the two like fractions:
    3150/315 + 49/315 = 3150 + 49/315 = 3199/315
  5. 3199/315 simplified gives 457/45
  6. So, 70/7 + 7/45 = 457/45
    In mixed form: 107/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com