Answers

Add 24/20 and 42/54

1^st number: 1 4/20, 2^nd number: 42/54

24/20 + 42/54 is 89/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 54 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   24/20 = 24 × 27/20 × 27 = 648/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   42/54 = 42 × 10/54 × 10 = 420/540
4. Add the two like fractions:
   648/540 + 420/540 = 648 + 420/540 = 1068/540
5. 1068/540 simplified gives 89/45
6. So, 24/20 + 42/54 = 89/45
   In mixed form: 144/45

MathStep (Works offline)

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

Related: ⁴⁸/₂₀+⁴²/₅₄ ²⁴/₂₀+⁸⁴/₅₄ ²⁴/₄₀+⁴²/₅₄ ⁷²/₂₀+⁴²/₅₄ ²⁴/₆₀+⁴²/₅₄

Add Fractions Calculator