Answers

Add 81/54 and 6/63

1^st number: 1 27/54, 2^nd number: 6/63

81/54 + 6/63 is 67/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 63 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   81/54 = 81 × 7/54 × 7 = 567/378
3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
   6/63 = 6 × 6/63 × 6 = 36/378
4. Add the two like fractions:
   567/378 + 36/378 = 567 + 36/378 = 603/378
5. 603/378 simplified gives 67/42
6. So, 81/54 + 6/63 = 67/42
   In mixed form: 125/42

MathStep (Works offline)

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

Related: ⁸¹/₅₄+¹²/₆₃ ⁸¹/₅₄+¹⁸/₆₃ ⁸¹/₅₄+³⁰/₆₃ ⁸¹/₅₄+⁴²/₆₃

Add Fractions Calculator