Answers

Subtract 42/10 from 48/90

1^st number: 48/90, 2^nd number: 4 2/10

48/90 - 42/10 is -11/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 10 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   48/90 = 48 × 1/90 × 1 = 48/90
3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
   42/10 = 42 × 9/10 × 9 = 378/90
4. Subtract the two like fractions:
   48/90 - 378/90 = 48 - 378/90 = -330/90
5. After reducing the fraction, the answer is -11/3

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