Answers

Add 30/54 and 45/20

1^st number: 30/54, 2^nd number: 2 5/20

30/54 + 45/20 is 101/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   30/54 = 30 × 10/54 × 10 = 300/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   45/20 = 45 × 27/20 × 27 = 1215/540
4. Add the two like fractions:
   300/540 + 1215/540 = 300 + 1215/540 = 1515/540
5. 1515/540 simplified gives 101/36
6. So, 30/54 + 45/20 = 101/36
   In mixed form: 229/36

MathStep (Works offline)

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

Related: ⁶⁰/₅₄+⁴⁵/₂₀ ³⁰/₅₄+⁹⁰/₂₀ ³⁰/₅₄+⁴⁵/₄₀ ⁹⁰/₅₄+⁴⁵/₂₀ ³⁰/₅₄+⁴⁵/₆₀

Add Fractions Calculator