Subtract 9/14 from 40/20, Solve 2 0/20

Subtract 9/14 from 40/20

1^st number: 2 0/20, 2^nd number: 9/14

40/20 - 9/14 is 19/14.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 20 × 7 = 140,
40/20 = 40 × 7/20 × 7 = 280/140
Likewise, for the 2nd fraction, since 14 × 10 = 140,
9/14 = 9 × 10/14 × 10 = 90/140
Subtract the two like fractions:
280/140 - 90/140 = 280 - 90/140 = 190/140
After reducing the fraction, the answer is 19/14
In mixed form: 15/14

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