Answers

Add 40/25 and 35/20

1^st number: 1 15/25, 2^nd number: 1 15/20

40/25 + 35/20 is 67/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 20 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 25 × 4 = 100,
   40/25 = 40 × 4/25 × 4 = 160/100
3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
   35/20 = 35 × 5/20 × 5 = 175/100
4. Add the two like fractions:
   160/100 + 175/100 = 160 + 175/100 = 335/100
5. 335/100 simplified gives 67/20
6. So, 40/25 + 35/20 = 67/20
   In mixed form: 37/20

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