Subtract 9/50 from 90/12, Solve 7 6/12

Subtract 9/50 from 90/12

1^st number: 7 6/12, 2^nd number: 9/50

90/12 - 9/50 is 183/25.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 50 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 12 × 25 = 300,
90/12 = 90 × 25/12 × 25 = 2250/300
Likewise, for the 2nd fraction, since 50 × 6 = 300,
9/50 = 9 × 6/50 × 6 = 54/300
Subtract the two like fractions:
2250/300 - 54/300 = 2250 - 54/300 = 2196/300
After reducing the fraction, the answer is 183/25
In mixed form: 78/25

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