Answers

Add 60/48 and 21/45

1^st number: 1 12/48, 2^nd number: 21/45

60/48 + 21/45 is 103/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 45 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 48 × 15 = 720,
   60/48 = 60 × 15/48 × 15 = 900/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   21/45 = 21 × 16/45 × 16 = 336/720
4. Add the two like fractions:
   900/720 + 336/720 = 900 + 336/720 = 1236/720
5. 1236/720 simplified gives 103/60
6. So, 60/48 + 21/45 = 103/60
   In mixed form: 143/60

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