Answers

Add 4/63 and 70/72

4/63 + 70/72 is 29/28.

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,
   4/63 = 4 × 8/63 × 8 = 32/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   70/72 = 70 × 7/72 × 7 = 490/504
4. Add the two like fractions:
   32/504 + 490/504 = 32 + 490/504 = 522/504
5. 522/504 simplified gives 29/28
6. So, 4/63 + 70/72 = 29/28
   In mixed form: 11/28

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