Answers

Add 60/45 and 21/63

1^st number: 1 15/45, 2^nd number: 21/63

60/45 + 21/63 is 5/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   60/45 = 60 × 7/45 × 7 = 420/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   21/63 = 21 × 5/63 × 5 = 105/315
4. Add the two like fractions:
   420/315 + 105/315 = 420 + 105/315 = 525/315
5. 525/315 simplified gives 5/3
6. So, 60/45 + 21/63 = 5/3
   In mixed form: 12/3

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