Answers

Add 15/84 and 72/60

1^st number: 15/84, 2^nd number: 1 12/60

15/84 + 72/60 is 193/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   15/84 = 15 × 5/84 × 5 = 75/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   72/60 = 72 × 7/60 × 7 = 504/420
4. Add the two like fractions:
   75/420 + 504/420 = 75 + 504/420 = 579/420
5. 579/420 simplified gives 193/140
6. So, 15/84 + 72/60 = 193/140
   In mixed form: 153/140

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