Answers

Add 70/14 and 90/72

1^st number: 5 0/14, 2^nd number: 1 18/72

70/14 + 90/72 is 25/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 14 × 36 = 504,
   70/14 = 70 × 36/14 × 36 = 2520/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   90/72 = 90 × 7/72 × 7 = 630/504
4. Add the two like fractions:
   2520/504 + 630/504 = 2520 + 630/504 = 3150/504
5. 3150/504 simplified gives 25/4
6. So, 70/14 + 90/72 = 25/4
   In mixed form: 61/4

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