Answers

Add 45/72 and 84/54

1^st number: 45/72, 2^nd number: 1 30/54

45/72 + 84/54 is 157/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 54 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 72 × 3 = 216,
   45/72 = 45 × 3/72 × 3 = 135/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   84/54 = 84 × 4/54 × 4 = 336/216
4. Add the two like fractions:
   135/216 + 336/216 = 135 + 336/216 = 471/216
5. 471/216 simplified gives 157/72
6. So, 45/72 + 84/54 = 157/72
   In mixed form: 213/72

MathStep (Works offline)

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

Related: ⁹⁰/₇₂+⁸⁴/₅₄

Add Fractions Calculator