Answers

Add 36/20 and 42/63

1^st number: 1 16/20, 2^nd number: 42/63

36/20 + 42/63 is 37/15.

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,
   36/20 = 36 × 63/20 × 63 = 2268/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   42/63 = 42 × 20/63 × 20 = 840/1260
4. Add the two like fractions:
   2268/1260 + 840/1260 = 2268 + 840/1260 = 3108/1260
5. 3108/1260 simplified gives 37/15
6. So, 36/20 + 42/63 = 37/15
   In mixed form: 27/15

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