Answers

Add 72/96 and 54/45

1^st number: 72/96, 2^nd number: 1 9/45

72/96 + 54/45 is 39/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 96 and 45 is 1440
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1440
2. For the 1st fraction, since 96 × 15 = 1440,
   72/96 = 72 × 15/96 × 15 = 1080/1440
3. Likewise, for the 2nd fraction, since 45 × 32 = 1440,
   54/45 = 54 × 32/45 × 32 = 1728/1440
4. Add the two like fractions:
   1080/1440 + 1728/1440 = 1080 + 1728/1440 = 2808/1440
5. 2808/1440 simplified gives 39/20
6. So, 72/96 + 54/45 = 39/20
   In mixed form: 119/20

MathStep (Works offline)

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

Related: ⁷²/₉₆+⁵⁴/₉₀

Add Fractions Calculator