Answers

Subtract 20/84 from 75/40

1^st number: 1 35/40, 2^nd number: 20/84

75/40 - 20/84 is 275/168.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 84 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 40 × 21 = 840,
   75/40 = 75 × 21/40 × 21 = 1575/840
3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
   20/84 = 20 × 10/84 × 10 = 200/840
4. Subtract the two like fractions:
   1575/840 - 200/840 = 1575 - 200/840 = 1375/840
5. After reducing the fraction, the answer is 275/168
6. In mixed form: 1107/168

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