Answers

Add 15/7 and 72/60

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

15/7 + 72/60 is 117/35.

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,
   15/7 = 15 × 60/7 × 60 = 900/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   72/60 = 72 × 7/60 × 7 = 504/420
4. Add the two like fractions:
   900/420 + 504/420 = 900 + 504/420 = 1404/420
5. 1404/420 simplified gives 117/35
6. So, 15/7 + 72/60 = 117/35
   In mixed form: 312/35

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