Answers

Add 75/40 and 80/90

1^st number: 1 35/40, 2^nd number: 80/90

75/40 + 80/90 is 199/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   75/40 = 75 × 9/40 × 9 = 675/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   80/90 = 80 × 4/90 × 4 = 320/360
4. Add the two like fractions:
   675/360 + 320/360 = 675 + 320/360 = 995/360
5. 995/360 simplified gives 199/72
6. So, 75/40 + 80/90 = 199/72
   In mixed form: 255/72

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