Answers

Add 42/24 and 15/54

1^st number: 1 18/24, 2^nd number: 15/54

42/24 + 15/54 is 73/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 54 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 24 × 9 = 216,
   42/24 = 42 × 9/24 × 9 = 378/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   15/54 = 15 × 4/54 × 4 = 60/216
4. Add the two like fractions:
   378/216 + 60/216 = 378 + 60/216 = 438/216
5. 438/216 simplified gives 73/36
6. So, 42/24 + 15/54 = 73/36
   In mixed form: 21/36

MathStep (Works offline)

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

Related: ⁸⁴/₂₄+¹⁵/₅₄ ⁴²/₂₄+³⁰/₅₄ ⁴²/₄₈+¹⁵/₅₄ ⁴²/₂₄+⁴⁵/₅₄ ⁴²/₇₂+¹⁵/₅₄ ⁴²/₂₄+⁷⁵/₅₄

Add Fractions Calculator