Answers

Subtract 42/16 from 90/30

1^st number: 3 0/30, 2^nd number: 2 10/16

90/30 - 42/16 is 3/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 16 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 30 × 8 = 240,
   90/30 = 90 × 8/30 × 8 = 720/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   42/16 = 42 × 15/16 × 15 = 630/240
4. Subtract the two like fractions:
   720/240 - 630/240 = 720 - 630/240 = 90/240
5. After reducing the fraction, the answer is 3/8

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