Answers

Add 70/48 and 30/45

1^st number: 1 22/48, 2^nd number: 30/45

70/48 + 30/45 is 17/8.

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,
   70/48 = 70 × 15/48 × 15 = 1050/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   30/45 = 30 × 16/45 × 16 = 480/720
4. Add the two like fractions:
   1050/720 + 480/720 = 1050 + 480/720 = 1530/720
5. 1530/720 simplified gives 17/8
6. So, 70/48 + 30/45 = 17/8
   In mixed form: 21/8

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