Answers

Add 81/60 and 18/63

1^st number: 1 21/60, 2^nd number: 18/63

81/60 + 18/63 is 229/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 60 × 21 = 1260,
   81/60 = 81 × 21/60 × 21 = 1701/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   18/63 = 18 × 20/63 × 20 = 360/1260
4. Add the two like fractions:
   1701/1260 + 360/1260 = 1701 + 360/1260 = 2061/1260
5. 2061/1260 simplified gives 229/140
6. So, 81/60 + 18/63 = 229/140
   In mixed form: 189/140

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