Answers

Add 42/72 and 63/28

1^st number: 42/72, 2^nd number: 2 7/28

42/72 + 63/28 is 17/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 28 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   42/72 = 42 × 7/72 × 7 = 294/504
3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
   63/28 = 63 × 18/28 × 18 = 1134/504
4. Add the two like fractions:
   294/504 + 1134/504 = 294 + 1134/504 = 1428/504
5. 1428/504 simplified gives 17/6
6. So, 42/72 + 63/28 = 17/6
   In mixed form: 25/6

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