Answers

Add 90/40 and 72/75

1^st number: 2 10/40, 2^nd number: 72/75

90/40 + 72/75 is 321/100.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 75 is 600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 600
2. For the 1st fraction, since 40 × 15 = 600,
   90/40 = 90 × 15/40 × 15 = 1350/600
3. Likewise, for the 2nd fraction, since 75 × 8 = 600,
   72/75 = 72 × 8/75 × 8 = 576/600
4. Add the two like fractions:
   1350/600 + 576/600 = 1350 + 576/600 = 1926/600
5. 1926/600 simplified gives 321/100
6. So, 90/40 + 72/75 = 321/100
   In mixed form: 321/100

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