Answers

Subtract 72/16 from 90/60

1^st number: 1 30/60, 2^nd number: 4 8/16

90/60 - 72/16 is -3/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 16 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 60 × 4 = 240,
   90/60 = 90 × 4/60 × 4 = 360/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   72/16 = 72 × 15/16 × 15 = 1080/240
4. Subtract the two like fractions:
   360/240 - 1080/240 = 360 - 1080/240 = -720/240
5. After reducing the fraction, the answer is -3/1

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