Answers

Add 30/7 and 72/60

1^st number: 4 2/7, 2^nd number: 1 12/60

30/7 + 72/60 is 192/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 7 × 60 = 420,
   30/7 = 30 × 60/7 × 60 = 1800/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   72/60 = 72 × 7/60 × 7 = 504/420
4. Add the two like fractions:
   1800/420 + 504/420 = 1800 + 504/420 = 2304/420
5. 2304/420 simplified gives 192/35
6. So, 30/7 + 72/60 = 192/35
   In mixed form: 517/35

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