Answers

Add 15/35 and 72/60

1^st number: 15/35, 2^nd number: 1 12/60

15/35 + 72/60 is 57/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 35 × 12 = 420,
   15/35 = 15 × 12/35 × 12 = 180/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   72/60 = 72 × 7/60 × 7 = 504/420
4. Add the two like fractions:
   180/420 + 504/420 = 180 + 504/420 = 684/420
5. 684/420 simplified gives 57/35
6. So, 15/35 + 72/60 = 57/35
   In mixed form: 122/35

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