Answers

Add 90/60 and 20/63

1^st number: 1 30/60, 2^nd number: 20/63

90/60 + 20/63 is 229/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 60 × 21 = 1260,
   90/60 = 90 × 21/60 × 21 = 1890/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   20/63 = 20 × 20/63 × 20 = 400/1260
4. Add the two like fractions:
   1890/1260 + 400/1260 = 1890 + 400/1260 = 2290/1260
5. 2290/1260 simplified gives 229/126
6. So, 90/60 + 20/63 = 229/126
   In mixed form: 1103/126

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