Answers

Subtract 9/63 from 90/40

1^st number: 2 10/40, 2^nd number: 9/63

90/40 - 9/63 is 59/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 63 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 40 × 63 = 2520,
   90/40 = 90 × 63/40 × 63 = 5670/2520
3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
   9/63 = 9 × 40/63 × 40 = 360/2520
4. Subtract the two like fractions:
   5670/2520 - 360/2520 = 5670 - 360/2520 = 5310/2520
5. After reducing the fraction, the answer is 59/28
6. In mixed form: 23/28

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