Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/63 and 4/40

1st number: 1 27/63, 2nd number: 4/40

90/63 + 4/40 is 107/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 40 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 63 × 40 = 2520,
    90/63 = 90 × 40/63 × 40 = 3600/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    4/40 = 4 × 63/40 × 63 = 252/2520
  4. Add the two like fractions:
    3600/2520 + 252/2520 = 3600 + 252/2520 = 3852/2520
  5. 3852/2520 simplified gives 107/70
  6. So, 90/63 + 4/40 = 107/70
    In mixed form: 137/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com