Answers

Subtract 1/40 from 90/50

1^st number: 1 40/50, 2^nd number: 1/40

90/50 - 1/40 is 71/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 40 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 50 × 4 = 200,
   90/50 = 90 × 4/50 × 4 = 360/200
3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
   1/40 = 1 × 5/40 × 5 = 5/200
4. Subtract the two like fractions:
   360/200 - 5/200 = 360 - 5/200 = 355/200
5. After reducing the fraction, the answer is 71/40
6. In mixed form: 131/40

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