Answers

Add 75/54 and 4/40

1^st number: 1 21/54, 2^nd number: 4/40

75/54 + 4/40 is 67/45.

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,
   75/54 = 75 × 20/54 × 20 = 1500/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   4/40 = 4 × 27/40 × 27 = 108/1080
4. Add the two like fractions:
   1500/1080 + 108/1080 = 1500 + 108/1080 = 1608/1080
5. 1608/1080 simplified gives 67/45
6. So, 75/54 + 4/40 = 67/45
   In mixed form: 122/45

MathStep (Works offline)

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

Related: ⁷⁵/₅₄+⁸/₄₀ ⁷⁵/₅₄+⁴/₈₀ ⁷⁵/₅₄+¹²/₄₀ ⁷⁵/₅₄+²⁰/₄₀ ⁷⁵/₅₄+²⁸/₄₀

Add Fractions Calculator