Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 30/7 and 4/90

1st number: 4 2/7, 2nd number: 4/90

30/7 + 4/90 is 1364/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630
  2. For the 1st fraction, since 7 × 90 = 630,
    30/7 = 30 × 90/7 × 90 = 2700/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    4/90 = 4 × 7/90 × 7 = 28/630
  4. Add the two fractions:
    2700/630 + 28/630 = 2700 + 28/630 = 2728/630
  5. After reducing the fraction, the answer is 1364/315
  6. In mixed form: 4104/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com