Answers

Subtract 42/90 from 90/60

1^st number: 1 30/60, 2^nd number: 42/90

90/60 - 42/90 is 31/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   90/60 = 90 × 3/60 × 3 = 270/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   42/90 = 42 × 2/90 × 2 = 84/180
4. Subtract the two like fractions:
   270/180 - 84/180 = 270 - 84/180 = 186/180
5. After reducing the fraction, the answer is 31/30
6. In mixed form: 11/30

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