Answers

Add 90/72 and 35/45

1^st number: 1 18/72, 2^nd number: 35/45

90/72 + 35/45 is 73/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   90/72 = 90 × 5/72 × 5 = 450/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   35/45 = 35 × 8/45 × 8 = 280/360
4. Add the two like fractions:
   450/360 + 280/360 = 450 + 280/360 = 730/360
5. 730/360 simplified gives 73/36
6. So, 90/72 + 35/45 = 73/36
   In mixed form: 21/36

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