Answers

Add 70/21 and 56/18

1^st number: 3 7/21, 2^nd number: 3 2/18

70/21 + 56/18 is 58/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 21 × 6 = 126,
   70/21 = 70 × 6/21 × 6 = 420/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   56/18 = 56 × 7/18 × 7 = 392/126
4. Add the two like fractions:
   420/126 + 392/126 = 420 + 392/126 = 812/126
5. 812/126 simplified gives 58/9
6. So, 70/21 + 56/18 = 58/9
   In mixed form: 64/9

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