Answers

Add 70/63 and 40/45

1^st number: 1 7/63, 2^nd number: 40/45

70/63 + 40/45 is 2/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   70/63 = 70 × 5/63 × 5 = 350/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   40/45 = 40 × 7/45 × 7 = 280/315
4. Add the two like fractions:
   350/315 + 280/315 = 350 + 280/315 = 630/315
5. 630/315 simplified gives 2/1
6. So, 70/63 + 40/45 = 2/1

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