Answers

Add 70/56 and 21/20

1^st number: 1 14/56, 2^nd number: 1 1/20

70/56 + 21/20 is 23/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 20 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   70/56 = 70 × 5/56 × 5 = 350/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   21/20 = 21 × 14/20 × 14 = 294/280
4. Add the two like fractions:
   350/280 + 294/280 = 350 + 294/280 = 644/280
5. 644/280 simplified gives 23/10
6. So, 70/56 + 21/20 = 23/10
   In mixed form: 23/10

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