Answers

Add 27/20 and 70/63

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

27/20 + 70/63 is 443/180.

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,
   27/20 = 27 × 63/20 × 63 = 1701/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   70/63 = 70 × 20/63 × 20 = 1400/1260
4. Add the two like fractions:
   1701/1260 + 1400/1260 = 1701 + 1400/1260 = 3101/1260
5. 3101/1260 simplified gives 443/180
6. So, 27/20 + 70/63 = 443/180
   In mixed form: 283/180

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