Answers

Add 42/56 and 12/60

42/56 + 12/60 is 19/20.

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,
   42/56 = 42 × 15/56 × 15 = 630/840
3. Likewise, for the 2nd fraction, since 60 × 14 = 840,
   12/60 = 12 × 14/60 × 14 = 168/840
4. Add the two like fractions:
   630/840 + 168/840 = 630 + 168/840 = 798/840
5. 798/840 simplified gives 19/20
6. So, 42/56 + 12/60 = 19/20

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