Subtract 9/14 from 45/40, Solve 1 5/40

Subtract 9/14 from 45/40

1^st number: 1 5/40, 2^nd number: 9/14

45/40 - 9/14 is 27/56.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 40 × 7 = 280,
45/40 = 45 × 7/40 × 7 = 315/280
Likewise, for the 2nd fraction, since 14 × 20 = 280,
9/14 = 9 × 20/14 × 20 = 180/280
Subtract the two like fractions:
315/280 - 180/280 = 315 - 180/280 = 135/280
After reducing the fraction, the answer is 27/56

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