Answers

Add 90/50 and 45/72

1^st number: 1 40/50, 2^nd number: 45/72

90/50 + 45/72 is 97/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 50 × 36 = 1800,
   90/50 = 90 × 36/50 × 36 = 3240/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   45/72 = 45 × 25/72 × 25 = 1125/1800
4. Add the two like fractions:
   3240/1800 + 1125/1800 = 3240 + 1125/1800 = 4365/1800
5. 4365/1800 simplified gives 97/40
6. So, 90/50 + 45/72 = 97/40
   In mixed form: 217/40

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