Answers

Add 42/56 and 80/60

1^st number: 42/56, 2^nd number: 1 20/60

42/56 + 80/60 is 25/12.

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,
   80/60 = 80 × 14/60 × 14 = 1120/840
4. Add the two like fractions:
   630/840 + 1120/840 = 630 + 1120/840 = 1750/840
5. 1750/840 simplified gives 25/12
6. So, 42/56 + 80/60 = 25/12
   In mixed form: 21/12

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