Answers

Add 40/63 and 70/45

1^st number: 40/63, 2^nd number: 1 25/45

40/63 + 70/45 is 46/21.

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,
   40/63 = 40 × 5/63 × 5 = 200/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   70/45 = 70 × 7/45 × 7 = 490/315
4. Add the two like fractions:
   200/315 + 490/315 = 200 + 490/315 = 690/315
5. 690/315 simplified gives 46/21
6. So, 40/63 + 70/45 = 46/21
   In mixed form: 24/21

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