Answers

Add 84/60 and 20/56

1^st number: 1 24/60, 2^nd number: 20/56

84/60 + 20/56 is 123/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 60 × 14 = 840,
   84/60 = 84 × 14/60 × 14 = 1176/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   20/56 = 20 × 15/56 × 15 = 300/840
4. Add the two like fractions:
   1176/840 + 300/840 = 1176 + 300/840 = 1476/840
5. 1476/840 simplified gives 123/70
6. So, 84/60 + 20/56 = 123/70
   In mixed form: 153/70

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