Subtract 14/40 from 12/9, Solve 1 3/9

Subtract 14/40 from 12/9

1^st number: 1 3/9, 2^nd number: 14/40

12/9 - 14/40 is 59/60.

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

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 9 × 40 = 360,
12/9 = 12 × 40/9 × 40 = 480/360
Likewise, for the 2nd fraction, since 40 × 9 = 360,
14/40 = 14 × 9/40 × 9 = 126/360
Subtract the two like fractions:
480/360 - 126/360 = 480 - 126/360 = 354/360
After reducing the fraction, the answer is 59/60

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