Answers

Add 1/63 and 90/42

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

1/63 + 90/42 is 136/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 42 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   1/63 = 1 × 2/63 × 2 = 2/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   90/42 = 90 × 3/42 × 3 = 270/126
4. Add the two like fractions:
   2/126 + 270/126 = 2 + 270/126 = 272/126
5. 272/126 simplified gives 136/63
6. So, 1/63 + 90/42 = 136/63
   In mixed form: 210/63

MathStep (Works offline)

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

Related: ²/₆₃+⁹⁰/₄₂ ¹/₆₃+⁹⁰/₈₄ ³/₆₃+⁹⁰/₄₂ ⁵/₆₃+⁹⁰/₄₂ ⁷/₆₃+⁹⁰/₄₂

Add Fractions Calculator