Subtract 16/9 from 6/40, Solve 6/40

Subtract 16/9 from 6/40

1^st number: 6/40, 2^nd number: 1 7/9

6/40 - 16/9 is -293/180.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 40 × 9 = 360,
6/40 = 6 × 9/40 × 9 = 54/360
Likewise, for the 2nd fraction, since 9 × 40 = 360,
16/9 = 16 × 40/9 × 40 = 640/360
Subtract the two like fractions:
54/360 - 640/360 = 54 - 640/360 = -586/360
After reducing the fraction, the answer is -293/180

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