Answers

Add 90/63 and 12/54

1^st number: 1 27/63, 2^nd number: 12/54

90/63 + 12/54 is 104/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 63 × 6 = 378,
   90/63 = 90 × 6/63 × 6 = 540/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   12/54 = 12 × 7/54 × 7 = 84/378
4. Add the two like fractions:
   540/378 + 84/378 = 540 + 84/378 = 624/378
5. 624/378 simplified gives 104/63
6. So, 90/63 + 12/54 = 104/63
   In mixed form: 141/63

MathStep (Works offline)

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

Related: ⁹⁰/₆₃+²⁴/₅₄ ⁹⁰/₆₃+³⁶/₅₄ ⁹⁰/₆₃+⁶⁰/₅₄ ⁹⁰/₆₃+⁸⁴/₅₄

Add Fractions Calculator