Answers

Add 3/90 and 45/40

1^st number: 3/90, 2^nd number: 1 5/40

3/90 + 45/40 is 139/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   3/90 = 3 × 4/90 × 4 = 12/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   45/40 = 45 × 9/40 × 9 = 405/360
4. Add the two like fractions:
   12/360 + 405/360 = 12 + 405/360 = 417/360
5. 417/360 simplified gives 139/120
6. So, 3/90 + 45/40 = 139/120
   In mixed form: 119/120

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