Answers

Subtract 90/60 from 56/72

1^st number: 56/72, 2^nd number: 1 30/60

56/72 - 90/60 is -13/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 60 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   56/72 = 56 × 5/72 × 5 = 280/360
3. Likewise, for the 2nd fraction, since 60 × 6 = 360,
   90/60 = 90 × 6/60 × 6 = 540/360
4. Subtract the two like fractions:
   280/360 - 540/360 = 280 - 540/360 = -260/360
5. After reducing the fraction, the answer is -13/18

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