Answers

Subtract 90/48 from 42/10

1^st number: 4 2/10, 2^nd number: 1 42/48

42/10 - 90/48 is 93/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 48 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 10 × 24 = 240,
   42/10 = 42 × 24/10 × 24 = 1008/240
3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
   90/48 = 90 × 5/48 × 5 = 450/240
4. Subtract the two like fractions:
   1008/240 - 450/240 = 1008 - 450/240 = 558/240
5. After reducing the fraction, the answer is 93/40
6. In mixed form: 213/40

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