Answers

Add 84/48 and 20/70

1^st number: 1 36/48, 2^nd number: 20/70

84/48 + 20/70 is 57/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 70 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 48 × 35 = 1680,
   84/48 = 84 × 35/48 × 35 = 2940/1680
3. Likewise, for the 2nd fraction, since 70 × 24 = 1680,
   20/70 = 20 × 24/70 × 24 = 480/1680
4. Add the two like fractions:
   2940/1680 + 480/1680 = 2940 + 480/1680 = 3420/1680
5. 3420/1680 simplified gives 57/28
6. So, 84/48 + 20/70 = 57/28
   In mixed form: 21/28

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