Answers

Add 81/63 and 70/48

1^st number: 1 18/63, 2^nd number: 1 22/48

81/63 + 70/48 is 461/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 48 is 1008
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1008
2. For the 1st fraction, since 63 × 16 = 1008,
   81/63 = 81 × 16/63 × 16 = 1296/1008
3. Likewise, for the 2nd fraction, since 48 × 21 = 1008,
   70/48 = 70 × 21/48 × 21 = 1470/1008
4. Add the two like fractions:
   1296/1008 + 1470/1008 = 1296 + 1470/1008 = 2766/1008
5. 2766/1008 simplified gives 461/168
6. So, 81/63 + 70/48 = 461/168
   In mixed form: 2125/168

MathStep (Works offline)

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

Related: ⁸¹/₆₃+⁷⁰/₉₆

Add Fractions Calculator