Answers

Add 20/45 and 54/40

1^st number: 20/45, 2^nd number: 1 14/40

20/45 + 54/40 is 323/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   20/45 = 20 × 8/45 × 8 = 160/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   54/40 = 54 × 9/40 × 9 = 486/360
4. Add the two like fractions:
   160/360 + 486/360 = 160 + 486/360 = 646/360
5. 646/360 simplified gives 323/180
6. So, 20/45 + 54/40 = 323/180
   In mixed form: 1143/180

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