Subtract 98/40 from 1/12, Solve 1/12

Subtract 98/40 from 1/12

1^st number: 1/12, 2^nd number: 2 18/40

1/12 - 98/40 is -71/30.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 12 × 10 = 120,
1/12 = 1 × 10/12 × 10 = 10/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
98/40 = 98 × 3/40 × 3 = 294/120
Subtract the two like fractions:
10/120 - 294/120 = 10 - 294/120 = -284/120
After reducing the fraction, the answer is -71/30

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