Answers

Add 81/54 and 32/40

1^st number: 1 27/54, 2^nd number: 32/40

81/54 + 32/40 is 23/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 40 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 54 × 20 = 1080,
   81/54 = 81 × 20/54 × 20 = 1620/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   32/40 = 32 × 27/40 × 27 = 864/1080
4. Add the two like fractions:
   1620/1080 + 864/1080 = 1620 + 864/1080 = 2484/1080
5. 2484/1080 simplified gives 23/10
6. So, 81/54 + 32/40 = 23/10
   In mixed form: 23/10

MathStep (Works offline)

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

Related: ⁸¹/₅₄+⁶⁴/₄₀ ⁸¹/₅₄+³²/₈₀ ⁸¹/₅₄+⁹⁶/₄₀

Add Fractions Calculator