Answers

Add 75/54 and 20/30

1^st number: 1 21/54, 2^nd number: 20/30

75/54 + 20/30 is 37/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 30 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   75/54 = 75 × 5/54 × 5 = 375/270
3. Likewise, for the 2nd fraction, since 30 × 9 = 270,
   20/30 = 20 × 9/30 × 9 = 180/270
4. Add the two like fractions:
   375/270 + 180/270 = 375 + 180/270 = 555/270
5. 555/270 simplified gives 37/18
6. So, 75/54 + 20/30 = 37/18
   In mixed form: 21/18

MathStep (Works offline)

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

Related: ⁷⁵/₅₄+⁴⁰/₃₀ ⁷⁵/₅₄+²⁰/₆₀ ⁷⁵/₅₄+⁶⁰/₃₀ ⁷⁵/₅₄+²⁰/₉₀

Add Fractions Calculator