Subtract 10/90 from 90/14, Solve 6 6/14

Subtract 10/90 from 90/14

1^st number: 6 6/14, 2^nd number: 10/90

90/14 - 10/90 is 398/63.

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,
90/14 = 90 × 45/14 × 45 = 4050/630
Likewise, for the 2nd fraction, since 90 × 7 = 630,
10/90 = 10 × 7/90 × 7 = 70/630
Subtract the two like fractions:
4050/630 - 70/630 = 4050 - 70/630 = 3980/630
After reducing the fraction, the answer is 398/63
In mixed form: 620/63

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