Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 45/4 and 30/90

1st number: 11 1/4, 2nd number: 30/90

45/4 + 30/90 is 139/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180
  2. For the 1st fraction, since 4 × 45 = 180,
    45/4 = 45 × 45/4 × 45 = 2025/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    30/90 = 30 × 2/90 × 2 = 60/180
  4. Add the two fractions:
    2025/180 + 60/180 = 2025 + 60/180 = 2085/180
  5. After reducing the fraction, the answer is 139/12
  6. In mixed form: 117/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com