Answers

Add 70/63 and 40/72

1^st number: 1 7/63, 2^nd number: 40/72

70/63 + 40/72 is 5/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   70/63 = 70 × 8/63 × 8 = 560/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   40/72 = 40 × 7/72 × 7 = 280/504
4. Add the two like fractions:
   560/504 + 280/504 = 560 + 280/504 = 840/504
5. 840/504 simplified gives 5/3
6. So, 70/63 + 40/72 = 5/3
   In mixed form: 12/3

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