Subtract 3/12 from 90/10, Solve 9 0/10

Subtract 3/12 from 90/10

1^st number: 9 0/10, 2^nd number: 3/12

90/10 - 3/12 is 35/4.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 10 × 6 = 60,
90/10 = 90 × 6/10 × 6 = 540/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
3/12 = 3 × 5/12 × 5 = 15/60
Subtract the two like fractions:
540/60 - 15/60 = 540 - 15/60 = 525/60
After reducing the fraction, the answer is 35/4
In mixed form: 83/4

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