Answers

Add 7/60 and 70/63

1^st number: 7/60, 2^nd number: 1 7/63

7/60 + 70/63 is 221/180.

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,
   7/60 = 7 × 21/60 × 21 = 147/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   70/63 = 70 × 20/63 × 20 = 1400/1260
4. Add the two like fractions:
   147/1260 + 1400/1260 = 147 + 1400/1260 = 1547/1260
5. 1547/1260 simplified gives 221/180
6. So, 7/60 + 70/63 = 221/180
   In mixed form: 141/180

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