Answers

Add 90/9 and 70/40

1^st number: 10 0/9, 2^nd number: 1 30/40

90/9 + 70/40 is 47/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 9 × 40 = 360,
   90/9 = 90 × 40/9 × 40 = 3600/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   70/40 = 70 × 9/40 × 9 = 630/360
4. Add the two like fractions:
   3600/360 + 630/360 = 3600 + 630/360 = 4230/360
5. 4230/360 simplified gives 47/4
6. So, 90/9 + 70/40 = 47/4
   In mixed form: 113/4

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