Subtract 3/10 from 90/15, Solve 6 0/15

Subtract 3/10 from 90/15

1^st number: 6 0/15, 2^nd number: 3/10

90/15 - 3/10 is 57/10.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 15 × 2 = 30,
90/15 = 90 × 2/15 × 2 = 180/30
Likewise, for the 2nd fraction, since 10 × 3 = 30,
3/10 = 3 × 3/10 × 3 = 9/30
Subtract the two like fractions:
180/30 - 9/30 = 180 - 9/30 = 171/30
After reducing the fraction, the answer is 57/10
In mixed form: 57/10

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