Answers

Subtract 6/90 from 48/21

1^st number: 2 6/21, 2^nd number: 6/90

48/21 - 6/90 is 233/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 21 × 30 = 630,
   48/21 = 48 × 30/21 × 30 = 1440/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   6/90 = 6 × 7/90 × 7 = 42/630
4. Subtract the two like fractions:
   1440/630 - 42/630 = 1440 - 42/630 = 1398/630
5. After reducing the fraction, the answer is 233/105
6. In mixed form: 223/105

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