Answers

Add 45/56 and 72/60

1^st number: 45/56, 2^nd number: 1 12/60

45/56 + 72/60 is 561/280.

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,
   45/56 = 45 × 15/56 × 15 = 675/840
3. Likewise, for the 2nd fraction, since 60 × 14 = 840,
   72/60 = 72 × 14/60 × 14 = 1008/840
4. Add the two like fractions:
   675/840 + 1008/840 = 675 + 1008/840 = 1683/840
5. 1683/840 simplified gives 561/280
6. So, 45/56 + 72/60 = 561/280
   In mixed form: 21/280

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