Answers

Add 36/63 and 81/60

1^st number: 36/63, 2^nd number: 1 21/60

36/63 + 81/60 is 269/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 60 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   36/63 = 36 × 20/63 × 20 = 720/1260
3. Likewise, for the 2nd fraction, since 60 × 21 = 1260,
   81/60 = 81 × 21/60 × 21 = 1701/1260
4. Add the two like fractions:
   720/1260 + 1701/1260 = 720 + 1701/1260 = 2421/1260
5. 2421/1260 simplified gives 269/140
6. So, 36/63 + 81/60 = 269/140
   In mixed form: 1129/140

MathStep (Works offline)

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

Related: ⁷²/₆₃+⁸¹/₆₀

Add Fractions Calculator