Answers

Add 15/56 and 72/60

1^st number: 15/56, 2^nd number: 1 12/60

15/56 + 72/60 is 411/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 60 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   15/56 = 15 × 15/56 × 15 = 225/840
3. Likewise, for the 2nd fraction, since 60 × 14 = 840,
   72/60 = 72 × 14/60 × 14 = 1008/840
4. Add the two like fractions:
   225/840 + 1008/840 = 225 + 1008/840 = 1233/840
5. 1233/840 simplified gives 411/280
6. So, 15/56 + 72/60 = 411/280
   In mixed form: 1131/280

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