Answers

Add 50/20 and 70/63

1^st number: 2 10/20, 2^nd number: 1 7/63

50/20 + 70/63 is 65/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   50/20 = 50 × 63/20 × 63 = 3150/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   70/63 = 70 × 20/63 × 20 = 1400/1260
4. Add the two like fractions:
   3150/1260 + 1400/1260 = 3150 + 1400/1260 = 4550/1260
5. 4550/1260 simplified gives 65/18
6. So, 50/20 + 70/63 = 65/18
   In mixed form: 311/18

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