Answers

Add 90/50 and 12/54

1^st number: 1 40/50, 2^nd number: 12/54

90/50 + 12/54 is 91/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 54 is 1350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1350
2. For the 1st fraction, since 50 × 27 = 1350,
   90/50 = 90 × 27/50 × 27 = 2430/1350
3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
   12/54 = 12 × 25/54 × 25 = 300/1350
4. Add the two like fractions:
   2430/1350 + 300/1350 = 2430 + 300/1350 = 2730/1350
5. 2730/1350 simplified gives 91/45
6. So, 90/50 + 12/54 = 91/45
   In mixed form: 21/45

MathStep (Works offline)

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

Related: ⁹⁰/₅₀+²⁴/₅₄ ⁹⁰/₅₀+³⁶/₅₄ ⁹⁰/₅₀+⁶⁰/₅₄ ⁹⁰/₅₀+⁸⁴/₅₄

Add Fractions Calculator