Answers

Add 72/54 and 45/60

1^st number: 1 18/54, 2^nd number: 45/60

72/54 + 45/60 is 25/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 60 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   72/54 = 72 × 10/54 × 10 = 720/540
3. Likewise, for the 2nd fraction, since 60 × 9 = 540,
   45/60 = 45 × 9/60 × 9 = 405/540
4. Add the two like fractions:
   720/540 + 405/540 = 720 + 405/540 = 1125/540
5. 1125/540 simplified gives 25/12
6. So, 72/54 + 45/60 = 25/12
   In mixed form: 21/12

MathStep (Works offline)

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

Related: ⁷²/₅₄+⁹⁰/₆₀

Add Fractions Calculator