Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/4 and 42/90

1st number: 11 1/4, 2nd number: 42/90

45/4 + 42/90 is 703/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    42/90 = 42 × 2/90 × 2 = 84/180
  4. Add the two like fractions:
    2025/180 + 84/180 = 2025 + 84/180 = 2109/180
  5. 2109/180 simplified gives 703/60
  6. So, 45/4 + 42/90 = 703/60
    In mixed form: 1143/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com