Answers

Add 90/42 and 5/63

1^st number: 2 6/42, 2^nd number: 5/63

90/42 + 5/63 is 20/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   90/42 = 90 × 3/42 × 3 = 270/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   5/63 = 5 × 2/63 × 2 = 10/126
4. Add the two like fractions:
   270/126 + 10/126 = 270 + 10/126 = 280/126
5. 280/126 simplified gives 20/9
6. So, 90/42 + 5/63 = 20/9
   In mixed form: 22/9

MathStep (Works offline)

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

Related: ⁹⁰/₄₂+¹⁰/₆₃ ⁹⁰/₈₄+⁵/₆₃ ⁹⁰/₄₂+¹⁵/₆₃ ⁹⁰/₄₂+²⁵/₆₃ ⁹⁰/₄₂+³⁵/₆₃

Add Fractions Calculator