Subtract 30/90 from 30/14, Solve 2 2/14

Subtract 30/90 from 30/14

1^st number: 2 2/14, 2^nd number: 30/90

30/14 - 30/90 is 38/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 14 × 45 = 630,
30/14 = 30 × 45/14 × 45 = 1350/630
Likewise, for the 2nd fraction, since 90 × 7 = 630,
30/90 = 30 × 7/90 × 7 = 210/630
Subtract the two like fractions:
1350/630 - 210/630 = 1350 - 210/630 = 1140/630
After reducing the fraction, the answer is 38/21
In mixed form: 117/21

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