Answers

Add 20/75 and 72/40

1^st number: 20/75, 2^nd number: 1 32/40

20/75 + 72/40 is 31/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 40 is 600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 600
2. For the 1st fraction, since 75 × 8 = 600,
   20/75 = 20 × 8/75 × 8 = 160/600
3. Likewise, for the 2nd fraction, since 40 × 15 = 600,
   72/40 = 72 × 15/40 × 15 = 1080/600
4. Add the two like fractions:
   160/600 + 1080/600 = 160 + 1080/600 = 1240/600
5. 1240/600 simplified gives 31/15
6. So, 20/75 + 72/40 = 31/15
   In mixed form: 21/15

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