Subtract 90/40 from 10/6, Solve 1 4/6

Subtract 90/40 from 10/6

1^st number: 1 4/6, 2^nd number: 2 10/40

10/6 - 90/40 is -7/12.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 6 × 20 = 120,
10/6 = 10 × 20/6 × 20 = 200/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120
Subtract the two like fractions:
200/120 - 270/120 = 200 - 270/120 = -70/120
After reducing the fraction, the answer is -7/12

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