Answers

Add 20/70 and 72/56

1^st number: 20/70, 2^nd number: 1 16/56

20/70 + 72/56 is 11/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   20/70 = 20 × 4/70 × 4 = 80/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   72/56 = 72 × 5/56 × 5 = 360/280
4. Add the two like fractions:
   80/280 + 360/280 = 80 + 360/280 = 440/280
5. 440/280 simplified gives 11/7
6. So, 20/70 + 72/56 = 11/7
   In mixed form: 14/7

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