Subtract 96/80 from 9/30, Solve 9/30

Subtract 96/80 from 9/30

1^st number: 9/30, 2^nd number: 1 16/80

9/30 - 96/80 is -9/10.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 30 × 8 = 240,
9/30 = 9 × 8/30 × 8 = 72/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
96/80 = 96 × 3/80 × 3 = 288/240
Subtract the two like fractions:
72/240 - 288/240 = 72 - 288/240 = -216/240
After reducing the fraction, the answer is -9/10

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