Answers

Subtract 21/36 from 90/50

1^st number: 1 40/50, 2^nd number: 21/36

90/50 - 21/36 is 73/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 36 is 900
   
   Next, find the equivalent fraction of both fractional numbers with denominator 900
2. For the 1st fraction, since 50 × 18 = 900,
   90/50 = 90 × 18/50 × 18 = 1620/900
3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
   21/36 = 21 × 25/36 × 25 = 525/900
4. Subtract the two like fractions:
   1620/900 - 525/900 = 1620 - 525/900 = 1095/900
5. After reducing the fraction, the answer is 73/60
6. In mixed form: 113/60

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