Answers

Subtract 9/40 from 72/50

1^st number: 1 22/50, 2^nd number: 9/40

72/50 - 9/40 is 243/200.

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,
   72/50 = 72 × 4/50 × 4 = 288/200
3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
   9/40 = 9 × 5/40 × 5 = 45/200
4. Subtract the two like fractions:
   288/200 - 45/200 = 288 - 45/200 = 243/200
5. In mixed form: 143/200

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