Answers

Add 70/2 and 90/72

1^st number: 35 0/2, 2^nd number: 1 18/72

70/2 + 90/72 is 145/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 2 × 36 = 72,
   70/2 = 70 × 36/2 × 36 = 2520/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   90/72 = 90 × 1/72 × 1 = 90/72
4. Add the two like fractions:
   2520/72 + 90/72 = 2520 + 90/72 = 2610/72
5. 2610/72 simplified gives 145/4
6. So, 70/2 + 90/72 = 145/4
   In mixed form: 361/4

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